Current Electricity questions
4 published questions with worked solutions.
- Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in...
- When two identical batteries of internal resistance 1 , each are connected in series across a resistor R, the rate of heat...
- Heater of an electric kettle is made of a wire of length L and diameter d. It takes 4 minutes to raise the temperature of 0.5 kg...
- An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot...
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