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1.
For a coil having a magnetic circuit of constant reluctance, the flux is ___________ to the current.
2.
For a coil having a magnetic circuit of constant reluctance, if the flux increases, what happens to the current?
3.
The unit for inductance is ___________
4.
If either the inductance or the rate of change of current is doubled, the induced e.m.f?
5.
If the current changes from 5A to 3A in 2 seconds and the inductance is 10H, calculate the emf.
6.
If the current changes from 5A to 3A in x sec and inductance is 10H. The emf is 10V, calculate the value of x.
7.
If the current changes from 3A to 5A in 2s and the emf is 10V. Calculate the inductance.
8.
As the number of turns in the coil increases, what happens to the inductance of the coil?
9.
What happens to the inductance when the magnetic field strength decreases?
10.
What happens to the inductance when the current in the coil becomes double its original value?