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प्रश्न
Define the term potential difference.
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उत्तर
The amount of work done in moving a unit positive charge from one point to another point in an electric field is called the potential difference.
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit : key
(a) Complete the circuit given in Fig. by inserting between the terminals A and C. an ammeter.
(b) In the diagram, mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit when the circuit is complete.
(c) Name and state the purpose of Rh in the circuit.
Explain the concept of electric potential difference in terms of work done in transferring the charge.
Current in a circuit flows :
State two characteristics of resistances in the series circuit.
Write SI unit of
Electric current,
State the factors on which the electrical resistance of a wire depends.
