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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- According to Faraday's law, does induced e.m.f. depend upon resistance...
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- For current entering at A, the electric field E(r at a distance r form...
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- A material 'B' has twice the specific resistance of 'A'. A circular wi...
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- The length of a given cylindrical wire is increased by 100%. Due to th...
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- If a wire is stretched to make it 0.1% longer, its resistance of will
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- An electric current is passed through a circuit containing two wires o...
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- By increasing the temperature, the specific resistance of a conductor ...
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- A strip of copper another of germanium are cooled from room temperatur...
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- The difference in the variation o resistance with temperature in a met...
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- The thermistors are usually made of
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- The resistance of a bulb filmanet is 100Omega at a temperature of 100^...
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- The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...
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- The resistance of hot tungsten filament is about 10 times the cold res...
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- An electric bulb is rated 220 V and 100 W. when it is operated on 110 ...
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- An 220 volt-1000 watt bulb is connected across a 110 volt mains supply...
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- A heater coil is cut into two equal parts and only one part is now use...
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- If in the circuit, power dissipation is 150 W, then R is
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- A wire when connected to 220 V mains supply has power dissipation P1. ...
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- The resistance of the series combination of two resistances is S. WHen...
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- A 3 V battery with negligible internal resistance is connected in a ci...
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- What will be the value of current through 2Omega resistance for the ci...
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