Current Electricity

Related Questions

• A 220volt and 800 watt electric kettle and three 220 volt and 100 watt bulbs are connected in parallel. On connecting this combination with 220 volt electric supply, the total current will be

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• 10 wires (same length, same area, same material) are connected in parallel and each has $1 \Omega$ resistance, then the equivalent resistance will be

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• A galvanometer has resistance of $7\,\Omega $ and gives a full scale deflection for a current of 1.0 A. How will you convert it into a voltmeter of range 10 V

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• If potential $V=100\pm 0.5$ Volt and current $I=10\pm 0.2$ ampere given to us. Then what will be the value of resistance

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• A galvanometer, having a resistance of 50 $\Omega$ gives a full scale deflection for a current of 0.05 A. The length in meter of a resistance wire of area of cross-section $2.97 \times 10^{–2} cm^2$ that can be used to convert the galvanometer into an ammeter which can read a maximum of 5 A current is (Specific resistance of the wire = $5 \times {10^{ - 7}} \Omega m$)

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