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संबंधित प्रश्न
What transformation of energy takes place when current is drawn from a cell?
Write symbol and state function of following component in an electric circuit :
voltmeter
Explain the concept of electric potential difference in terms of work done in transferring the charge.
Name the physical quantity of which the unit is coulomb
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
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 and define the SI unit of electric current.
A charge of 8860 C flows through an electric circuit in 2 min and 40 s. Calculate the magnitude of current in a circuit.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
