SSC JE Electrical Engineering 25th May 2014 Shift-2
Instructions
For the following questions answer them individually
Question 121
The north pole of a magnet is moved away from a metallic ring. The induced current in the ring flows
Question 123
A coil with a certain number of turns has a specified time constant. If the number of turns is doubled, its time constant would
Question 125
The flux through each turn of a 100-turn coil is $$(t^{3}-2t)m$$ Wh, where 't' is in seconds. Find the magnitude of the induced emf at t = 2 sec
Question 126
A circuit has inductance of 2 H. If the circuit current changes at the rate of $$10\frac{A}{sec}$$, then self-induced emf is
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