SSC JE Electrical Engineering 29th Jan 2018 Shift-2
For the following questions answer them individually
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 121
What will happen to the magnetic flux density produced in a material, if the magnetizing force is increased?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 122
A magnetic circuit mainly consists of a material having _____ permeability.
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 123
On which of the given factors does the reluctance of the magnetic circuit depend?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 124
What type of EMF is induced in AC or DC generator?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 125
What will happen to the permeance of the magnetic circuit, if the area of the cross section of the circuit gets doubled?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 126
Two coils of self inductance 3 H and 5 H are connected in a series-opposing each other. What is the equivalent inductance(in H) of the circuit, if the coefficient of coupling between the coils is 0.6 ?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 127
The magnetic flux linking a coil having 200 turns is 40 mWb. Calculate the average emf(in V) induced in the coil, if this magnetic flux is reversed in a time of 5 milliseconds.
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 128
Out of the four materials A, B, C, D, which will have the lowest retentivity?
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 129
A solenoid has a diameter of 6 cm and a length of 60 cm and it comprises of 7000 turns. Calculate the energy stored (in J) in the solenoid, if 10 A current flows through it.
SSC JE Electrical Engineering 29th Jan 2018 Shift-2 - Question 130
The current in the circuit shown below is 4 A. Calculate the magnetic field intensity (in A turns/m) in the core,if the winding has 50 turns.
