मराठी

How is the electric potential difference between the two points defined? State its S.I. unit.

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प्रश्न

How is the electric potential difference between the two points defined? State its S.I. unit.

लघु उत्तर
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उत्तर

The potential difference between two points is equal to the work done in moving a unit positive charge from one point to the other.

It's S.I. unit is Volt.

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पाठ 8: Current Electricity - EXERCISE - 8(A) [पृष्ठ १८६]

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सेलिना Concise Physics [English] Class 10 ICSE
पाठ 8 Current Electricity
EXERCISE - 8(A) | Q 3. | पृष्ठ १८६

संबंधित प्रश्‍न

What is meant by saying that the potential difference between two points is 1 V?


Which device is used to measure p.d?


Potential difference is measured in _________ by using a ___________ placed in ___________ across a component.


The unit for measuring potential difference is ______.


Three resistors are connected to a 12 V battery as shown in the figure given below:

(i) What is the current through the 8 ohm resistor?
(ii) What is the potential difference across the parallel combination of 6 ohm and 12 ohm resistor?
(iii) What is the current through the 6 ohm resistor?


Five resistors of different resistances are connected together as shown in the figure. A 12 V battery is connected to the arrangement. 

Calculate:
(i) the total resistance in the circuit
(ii) the total current flowing in the circuit.


A 10 m long wire of a particular material is of resistance 5Ω What will be the resistance if the wire is doubled itself.


A boy records that 4000 joules of work are required to transfer 10 coulombs of charge between two points of a resistor of 50 Ω. The current passing through it is:


A current of 1 ampere flows in a series circuit containing an electric lamp and a conductor of 5 Ω when connected to a 10 V battery. Calculate the resistance of the electric lamp.

Now if a resistance of 10 Ω is connected in parallel with this series combination, what change (if any) in current flowing through 5 Ω conductor and potential difference across the lamp will take place? Give reason.


Find out the following in the electric circuit given in Figure

  1. Effective resistance of two 8 Ω resistors in the combination
  2. Current flowing through 4 Ω resistor
  3. Potential difference across 4 Ω resistance
  4. Power dissipated in 4 Ω resistor
  5. Difference in ammeter readings, if any.


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