Current Electricity

Related Questions

• In the circuit shown in figure, the current drawn from the battery is 4A. If $10 \Omega$ resistor is replaced by $20 \Omega$ resistor, then current drawn from the circuit will be

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• If you are provided three resistances $2 \Omega$, $3 \Omega$ and $6 \Omega$. How will you connect them so as to obtain the equivalent resistance of $4 \Omega$

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• A 5.0 amp current is setup in an external circuit by a 6.0 volt storage battery for 6.0 minutes. The chemical energy of the battery is reduced by

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• A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire

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• A moving coil galvanometer has a resistance of $50\,\Omega $and gives full scale deflection for 10 mA. How could it be converted into an ammeter with a full scale deflection for 1A

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