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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- 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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- An energy soruce will supply a constant current into the laod, if its ...
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- In the circuit , the galvanometer G shows zero deflection. If the batt...
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- A 5V battery with internal resistance2Omega and a 2V battery with inte...
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- The total current supplied to the circuit by the battery is
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- In a meter bridge experiment null point is obtained at 20 cm. from one...
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- In a potentiometer experiment , the balancing with a cell is at length...
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- The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...
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- The mean free path of electrons in a metal is 4xx10^-8m. eY energy to ...
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