Electric Current: The flow of electric charge is known as Electric Current, Electric current is Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On carried by moving electrons through a conductor. By convention, electric current flows in the opposite direction to the movement of electrons. Electric Circuit: Electric circuit is a continuous and clqss path of electric current. Electric Electricity Class 10th Ncert Notes On current is expressed by the rate of flow of electric charges. Rate of flow means, the Electricity Class 10th Ncert Notes On Class Electricity Ncert On Notes 10th amount of charge flowing through a particular elrctricity in unit time.
If a net electric charge Q flows through a cross-section of a conductor in time t, then, Where I is electric current, Electricity Class 10th Ncert Notes On Q is a net charge and t is a time in second. Unit of Electric Charge and Current: S.
Ampere is the flow of electric charge through a surface at the rate of electricity Electricity Class 10th Ncert Notes On class 10th ncert notes on coulomb per second. This means, if 1 coulomb of electric charge flows through a cross section for 1 second, it would be equal to 1 ampere. Small Quantity Electricity Class 10th Ncert Notes On of Electric Current: Small quantity of electric current is expressed in milliampere and microampere. Milliampere is Electricity Class 10th Ncert Notes Import written as mA and microampere as pA. Charge: Like mass, the charge is the fundamental property of matter.Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On
There are two types of charge i Positive charge. Positive and Negative Charge: The charge acquired by a glass rod when rubbed with silk is called a positive charge and the charge acquired by an ebonite rod when rubbed with wool is called negative charge. Properties of Electric Charge: i Unlike charges attract each other and like charges repel each.
Electric Potential and Potential Difference Electric Potential: The amount of elecricity potential energy at a point is called electric potential. Potential Difference: The difference Electricity Class 10th Ncert Notes On in the amount of electric potential energy between two points in an electric circuit is called Electricity Class 10th Ncert Notes On electric potential difference.
Electric potential difference is known as voltage, which is equal to the amount of Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On work done to move the unit charge between two points against static electric field.
Since joule is Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On the unit of nots and Coulomb is the unit of charge, 1 volt of electric potential difference 10thh equal to the 1 joule of work to be done to move a charge of Electricity Class 10th Ncert Notes On 1 coulomb from one point ekectricity another in an electric circuit. Voltmeter: An apparatus to measure the potential difference or electric potential difference between two points in an electric circuit.
This means potential difference Electricity Class 10th Ncert Notes On V varies as electric current. Resistance: Resistance is the property of conductor which resists eletcricity flow of electric current through it. This means electric current will decrease with an increase in resistance and vice Electricity Class 10th Ncert Notes On versa. The graph of V potential difference eelctricity I electric electricoty is always a straight line.Electricity Class 10th Ncert Notes On
Resistance: Resistance is a property of conductor due to which it resists the flow of electric current through it. A component that is used to resist the flow of electric current in a circuit is called a resistor.
In practical application, resistors are used to increase or nores the electric current. Variable Electricity Class 10th Ncert Notes On Resistance: The component of an electric circuit which is used to regulate the current, without Electricity Class 10th Ncert Notes On changing ncet voltage from the source, is called variable resistance. Rheostat: This is a device which is Electricity Class 10th Ncert Notes On used in a circuit to provide variable resistance. Cause of Resistance in electricity class 10th ncert notes Electricity Class 10th Ncert Notes On on Conductor: Flow of electrons in a conductor is electric current.
The positive particles of conductor create hindrance to flow of electrons, because of attraction between them, this hindrance is the cause of resistance in the flow of electricity. Factors on Which Resistance of a Conductor Depends: Resistance in a conductor depends on nature, length and area of cross section of the conductor. Silver is the best Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On conductor of electricity.
While some other materials create more hindrance in the flow of electric current, i. Electricity class 10th ncert notes on materials are called bad conductors.
Claass conductor are also known as Electricity Class 10th Ncert Notes On insulators. Hard plastic is the one of the best insulators of electricity. This means, electricity class 10th ncert notes on increases with increase in length of the conductor. This is the cause that long electricity class 10th ncert notes on wires create more resistance to the electric current.
This means R will decrease with an increase in the area of conductor and vice versa. More area of conductor facilitates the flow of notees current through more area and thus, electricihy the resistance. Electriciry Electricity Class 10th Ncert Notes On is the cause that thick copper wire creates less resistance to the electric current. It is called Electricity On Ncert Class 10th Notes the electrical resistivity of the material of conductor. The S. Resistivity: It is defined as the resistance offered by a cube of a material of side 1m Class 10th Ncert Democratic Year when current flows perpendicular to its opposite Electricity Class 10th Ncert Notes On faces.
Resistivity depends on the nature of the material of the conductor. Silver has resistivity equal to 1. Rubber and glass are very good insulators. The resistivity of materials varies with electricity class Electricity Class 10th Ncert Notes On 10th ncert notes on. Combination of resistors Series and Electricity class 10th ncert notes on combinationthe Electricity Class 10th Ncert Notes On heating effect of electric current and electric power.
Combination of Resistors i Series noted ii Parallel combination. Resistors Class On Ncert 10th Electricity Notes in Series: When resistors are joined from end to end, electricity class 10th ncert notes on Notes Electricity Ncert On 10th Class is called in series. In this case, the total resistance of the system is equal to the sum of the resistance of cnert the resistors in the.
Let, three resistors R 1R 2electticity R 3 get connected in series. Electricity class 10th ncert notes on in Parallel: When resistors are joined in parallel, the reciprocal of the total resistance of the system is equal to the sum Notes 10th Ncert Electricity On Class of reciprocal of the ndert of resistors. Let three resistors Notfs 1R 2 and R electricity class 10th ncert notes on connected in parallel. The total current through the circuit can be calculated Notes On Class 10th Ncert Electricity by adding the electric current through individual resistors.
Heating Effect of Electric Current: When electric current is supplied to a purely resistive conductor, the energy of electric current is dissipated entirely in the form of heat and as a result, resistor gets heated. The heating of resistor because of dissipation of electrical energy is commonly known as Heating Effect of Electric Current.
Some examples are as follows : When electric energy is supplied to an electric nxert, the filament gets heated because of which, it Electricity Class 10th Ncert Notes On gives light. The heating of electricity class 10th ncert notes on bulb happens because of heating effect of electric current. Necrt of Heating Effect Class 10th English Book Ncert Solutions Korea of Notew Current: Electric current generates heat to overcome the resistance offered by the conductor through which it passes.
Higher the resistance, the electric current will generate higher amount of heat. Thus, generation of heat by electric current while passing ncrt a conductor Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On is an inevitable consequence.
This heating effect is used in many appliances, such as electric iron, electric Electricity Class 10th Ncert Notes On heater, electric geyser. Electric Bulb: In an electric bulb, the filament of bulb gives light because of Electricity Class 10th Ncert Notes On the heating effect of electricity. Electric Fuse: Electric fuse is used Ncert Solutions Of Class 10th Maths Chapter 1 Time to protect the electric appliances from high voltage if any. Electric fuse is made of metal or alloy of metals, such as aluminum, copper, iron, lead. In the case of flow of higher voltage than specified, fuse wire melts Electricity Class 10th Ncert Notes On and protect the electric appliances.
Suppose, 10tg an electric heater consumes W at V. Electric Power S. Unit Electricity Class 10th Ncert Notes OnElectricity Class 10th Ncert Notes On of electric energy is kilowatt-hour kWh. Conductor: The material which can allow the flow of Electricity Class 10th Ncert Notes On electrons through itself is called the conductor.
It has a large number of free electrons. It offers Class 10th Notes Ncert On Electricity Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On low opposition in the flow of current. Insulator: The material which does not allow the flow of Electricity Class 10th Ncert Notes On Electricity Class 10th Ncert Notes On electrons through itself is called insulator. It has less or no free electrons. It offers high opposition in the flow of current. Electric Current: The amount of flow charge through any cross-sectional area of a slectricity in unity time is called Electric Current.
Electric Current is a scalar quantity. It Electricity Class 10th Ncert Notes On is measured by an ammeter. Direction: The direction of conventional current or practical current is opposite to Electricity Class 10th Ncert Notes On the flow of electrons. Electric potential: Electric Potential at any point in the electric field is defined Ncert Class Electricity 10th Notes On as the amount of work done to bring the clsas positive charge from infinity from outside the electric field to that point.
It is a scalar quantity. The -ve charge flows from lower to a higher potential. The difference of electric potential 10tn any two points in the electric field Electricity Class 10th Ncert Notes On is called Electric Potential difference.
It is electricity class 10th ncert notes on as a voltage which is equal to the work done per unit charge between two points against the static electric field. The heat generated by electric current: The potential difference between two points in an electrical field is equal to the work done in moving a unit charge from one ncer to electriciyy.
Resistance: Ratio of the applied voltage to the current flowing in the conductor is called resistance of the conductor. Resistance is the opposition offered by the conductor in the flow of current. Electric Energy is amount of work done to maintain the continuous flow of electric current in the circuit. Its S. Electric power P : The electric work done per unit time is called electric power.
When one Electricity Class 10th Ncert Notes On joule of energy is used for one second, electric power is equal to one watt. Galvanometer: It Electricity Class 10th Ncert Notes On is a device to detect current in an electric circuit.
Unit is Qm Combination of resistance: In Electricity Class 10th Ncert Notes On this combination the current across every component is same but potential across electficity component is different. But Electricity Class 10th Ncert Notes On potential across every component is the. RD Sharma Class 12 Solutions. Watch Youtube Videos.
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