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FARADAYS LAW:
When the magnetic flux through the coil is made to vary, an emf is induced in the coil. The magnitude of the induced emf is proportional to the rate of change of flux.
Hence, E ∝ dΦ/dt where dΦ = Change in flux/dt =time taken to change
The emf is also dependent on the number of turns on the coil (N), the greater the number of turns on the coil, the greater emf. Hence, we may write:
E ∝ N dΦ/dt Volts
Write two characteristic features of nuclear force which differentiate it from the Coulomb force.
write a note on pascal discovry in helping to make hydrolic jacks
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A coil havingof a resistance of 100 and an inductance of 200mH. If an alternating voltage, v, givenby v=200sin500t volts is applied across the coil, measure (a) The circuit
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