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(a) What do you understand by the term '...

(a) What do you understand by the term ''potential difference''?
(b) What is meant by saying that the potential difference between two points is 1 volt?
(c) What is the potential difference between the terminals of a battery if 250 joules of work is required to transfer 20 coulombs of charge from one terminal of battery to the other?
(d) What is a voltmeter? How is a voltmeter connected in the circuit to measure the potential difference between two points. Explain with the help of a diagram.
(e) State whether a voltmeter has a high resistance or a low resistance. Give reason for your answer.

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Knowledge Check

  • How is voltmeter connected in the circuit to measure potential difference between two points ?

    A
    Parallel Connection
    B
    Series Connection
    C
    Both
    D
    nONE

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    Define the term 'volt'. (b) State the relation between work, charge and potential difference from an electric circuit. Calculate the potential difference between the two terminals of a battery if 100 joules of work is required to transfer 20 coulombs of charge from one terminal of the battery to the other.

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