SSC JE Electrical Engineering 25th May 2014 Shift-2
For the following questions answer them individually
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 121
The north pole of a magnet is moved away from a metallic ring. The induced current in the ring flows
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 122
Energy stored in an inductor is given by
SSC JE Electrical Engineering 25th May 2014 Shift-2 - 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
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 124
Hysteresis is the phenomenon in the magnetic circuit by which
SSC JE Electrical Engineering 25th May 2014 Shift-2 - 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
SSC JE Electrical Engineering 25th May 2014 Shift-2 - 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
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 127
The B-H curve for _____ will be a straight line passing through the origin
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 128
Magnetic lines of force coming from a magnet
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 129
The main advantage of temporary magnets is that we can
SSC JE Electrical Engineering 25th May 2014 Shift-2 - Question 130
The magnetic material used in permanent magnets is
