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संबंधित प्रश्न
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.
Name the instrument used to control the current in an electric circuit.
The unit of current is :
Name the physical quantity of which the unit is ohm
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the 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.
What is the potential of the spheres after electrical contact?
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
Compare the brightness of two 60 watt bulbs.
When they are connected in parallel.
Explain giving scientific reasons.
