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संबंधित प्रश्न
On increasing the resistance in a circuit, the current in it :
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.
Which sphere is at higher potential before electrical contact on the basis of convention?
How many electrons constitute one unit electric charge in SI system?
4 × 1020 electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10-19 C]
Write SI unit of
Electric current,
What is the other name of a variable resistor?
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
