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संबंधित प्रश्न
State three differences between the primary and secondary cells.
n electrons flow through a cross section of a conductor in time t. If charge on an electron is e, then write an expression for the current in the conductor.
Write symbol and state function of following component in an electric circuit :
ammeter
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
What do you understand by the term electric current?
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]
Why does the filament of an electric bulb in an electric circuit get white-hot, but not the connecting wires?
What do you mean by an electric current?
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
