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संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
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 higher potential before electrical contact on the basis of convention?
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
What is the potential of the spheres after electrical contact?
Calculate the total number of electrons flowing through a circuit in 20 mins and 40 s, if a current of 40 μA flows through the circuit.
[1 e– = 1.6 × 10-19 C]
Write SI unit of
Potential difference
'The resistance of a wire is 2 ohm'. Explain the meaning of this statement.
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
Compare the brightness of two 60 watt bulbs.
When they are connected in parallel.
Explain giving scientific reasons.
