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प्रश्न
State Ohm's law.
उत्तर
Ohm's law states that the electric current flowing through a metallic wire is directly proportional to the potential difference V across its ends provided its temperature remains the same.
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संबंधित प्रश्न
What is a primary cell? Name two such cells.
(a) Complete the circuit given in Fig. by inserting between the terminals A and C. an ammeter.
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(c) Name and state the purpose of Rh in the circuit.
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The unit of potential difference is :
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State the relation between electric current; the number of electrons moving in a circuit and time in seconds.
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What do you understand by the term electric resistance?
