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qUESTIONS

The total current supplied to the circuit by the battery is [2004]

In the above circuit the current in each resistance is [2017]

Two batteries with e.m.f. of 12V and 13V are connected in parallel across a load resistor of 10 ohm. The internal resistance of the two batteries are 12 and 20 respectively. The voltage across the load lies between [2018]

Which of the following equations represents a wave

A pulse or a wave train travels along a stretched string and reaches the fixed end of the string. It will be reflected back with

The stationary wave y = 2a sinkx cos ωt in a closed organ pipe is the result of the superposition of y = asin( ωt-kx) and

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Two conducting circular loops of radii Ri and Re are placed in the same plane with their centres coinciding, If R1>> R2, the mutual inductance M between them will be directly proportional to

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A current of 2.5 A flows through a coil of inductance 5H. The magnetic flux linked with the coil is

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A long solenoid has 500 turns. When a current of 2 ampere is passed through it, the resulting magnetic flux linked with each tur of the solenoid is 4×10^2Wb. The self-inductance of the solenoid is

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Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is

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