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KUMAR PRAKASHAN-ELECTRICITY-QUESTIONS AND ANSWERS (TEXTBOOK ILLUSTRATIONS)
- A current of 0.5 A is drawn by a filament of an electric bulb for 10 m...
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- How much work is done in moving a charge of 2 C across two points hav...
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- How much current will an electric bulb draw from a 220 V source, if th...
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- How much current will an electric heater coil draw from a 220 V source...
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- The potential difference between the terminals of an electric heater i...
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- Resistance of a metal wire of length 1m is 26 Omega" at " 20^@C.If the...
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- A wire of given material having length l and area of cross-section A h...
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- An electric lamp, whose resistance is 20 Omega, and a conductor of 4 O...
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- In the circuit diagram given in figure suppose the resistors R1, R2 an...
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- If in figure, R1 = 10 Omega,R2 =40 Omega, R3 = 30 Omega, R4 = 20 Omeg...
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- An electric iron consumes energy at a rate of 840 W, when heating is ...
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- 100 J of heat is producec! in each second in a 4 Omega resistance. Fi...
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- An electric bulb is connected to a 220 V generator. The current is 0.5...
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- An electric refrigerator rated 400 W operates 8 hours/day. What is the...
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