Current Electricity

Related Questions

• Resistance in the two gaps of a meter bridge are 10 ohm and 30 ohm respectively. If the resistances are interchanged the balance point shifts by

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• Watt-hour meter measures

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• The internal resistances of two cells shown are $0.1\,\Omega $ and $0.3\,\Omega $. If $R = 0.2\,\Omega $, the potential difference across the cell

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• A 60 watt bulb operates on 220V supply. The current flowing through the bulb is

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• An electron (charge = $1.6 \times 10^{–19}$ coulomb) is moving in a circle of radius $5.1 \times 10^{–11} m$ at a frequency of $6.8 \times 10^{15}$ revolutions/sec. The equivalent current is approximately

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