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PATHFINDER-CURRENT ELECTRICITY - I AND II-QUESTION BANK
- A current of one ampere is flowing through a wire. Calculate the numbe...
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- The number density of conduction electron in copper is 8.5xx10^28(m^-3...
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- One end of an aluminium wire whose diameter is 2.5 mm is welded to one...
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- Two wires of equal length, one of copper and the other of manganin, ha...
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- If a copper wire is stretched to make its radius decrease by 0.15%. th...
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- A wire has a resistanceof 2 ohm at 273 K and a resistance of 2.5 ohm a...
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- The resistance of two conductors in series is 40 ohm and their resista...
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- Figure shows a cube made of 12 resistance across a cube edge ab.
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- Find the equivalent resistance between points A and B in the following...
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- The four colurs on a resistance are : brown, yellow, green and gold as...
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- A battery of emf 10V and internal resistance 3 ohm is connected to a r...
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- Current flowing in the following circuit will be
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- The steady state current in a 2Omega resistor shown in fig will be - (...
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- A coil of resistance 2Omega is immersed in 1 kg of water and is connec...
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- An electric bulb is marked 100W,230V. If the supply voltage drops to 1...
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- Two heaters are marked 200 V, 300 W. 300 V, 600 W. If the heaters are ...
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- A potentiometer wire of length 100 cm has a resistance of 10Omega. It ...
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- The e.m.f of a thermocouple one junction of which is kept at 0^@C, is ...
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- In producing chlorine through electrolysis 100 KW power at 125 volts i...
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- In the Bohr model of hydrogen atom, the electron is pictured to rotate...
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