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प्रश्न
Name the physical quantity of which the unit is volt
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उत्तर
Potential difference
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संबंधित प्रश्न
State the two kinds of cell. Give one example of each.
(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.
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at higher potential before electrical contact on the basis of convention?
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
