Current Electricity

Related Questions

• In the given circuit, the voltmeter records 5 volts. The resistance of the voltmeter in ohms is

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• A coil develops heat of 800 cal/sec. When 20 volts is applied across its ends. The resistance of the coil is (1 cal= 4.2 joule)

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• In the given figure, the equivalent resistance between the points A and B is

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• A wire has a resistance of $6 \Omega$. It is cut into two parts and both half values are connected in parallel. The new resistance is

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• Four resistances $10 \Omega$, $5 \Omega$, $7 \Omega$ and $3 \Omega$ are connected so that they form the sides of a rectangle AB, BC, CD and DA respectively. Another resistance of $10 \Omega$ is connected across the diagonal AC. The equivalent resistance between A and B is

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