List of top Physics Questions on Electromagnetic induction asked in Rajasthan PMT

For two resistance wires joined in parallel, the resultant resistance is $ \frac{6}{5}\Omega . $ When one of the resistance wires breaks the effective resistance becomes $ 2\,\Omega $ The resistance of the broken wire is

A thermoelectric refrigerator works on

A hot electric iron has a resistance of $80\, \Omega$ and is used on a $200\, V$ source. The electrical energy spent, if it is used for $2\, hr$, will be :

The distance between the ends of wings of an aeroplane is $5\, m$. The aeroplane is moving with velocity of $200\, km/sec$ in a magnetic field of $10\, T.$ The emf induced across the ends of wings will be:

Dynamo which produces electricity, is a application of: