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प्रश्न
How are the potential difference (V), current (l) and resistance (R) related?
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उत्तर
Potential difference = Current x Resistance
i.e., V = I R
संबंधित प्रश्न
Name the constituents of a cell.
(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.

State and define the S.I. unit of potential difference.
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A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
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 lower potential before electrical contact on the basis of convention?
How many electrons constitute one unit electric charge in SI system?
