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प्रश्न
Write SI unit of
Potential difference
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उत्तर
S.I unit of potential difference is volt.
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
rheostat
(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.
When starter motor of a car is switched on for 0.8 s . a charge 24 C passes through the coil of the motor . Calculate the current in the coil .
State and define the S.I. unit of potential difference.
Assuming that the charges of an electron is 1.6 × 10-19 coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is:
State the factors on which the electrical resistance of a wire depends.
