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संबंधित प्रश्न
What is a secondary cell?
Write symbol and state function of following component in an electric circuit :
ammeter
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across 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.
What is the potential of the spheres after electrical contact?
Define electric potential in terms of energy spent.
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]
What is the other name of a variable resistor?
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
