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प्रश्न
What transformation of energy takes place when current is drawn from a cell?
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उत्तर
Chemical energy changes into electrical energy.
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संबंधित प्रश्न
(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.
Current in a circuit flows :
The unit of potential difference is :
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?
What do you understand by the term electric current?
Explain the following:
Potential difference
