SSC JE Electrical Engineering 4th March 2017 Shift-2
For the following questions answer them individually
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 81
A photocell is illuminated by a small bright source placed 1 m away. When the same source of light is placed two metres away, the electrons emitted by the photocathode _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 82
In a vacuum tetrode secondary emission is because of emission of _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 83
Which of the following circuit is mostly used as an amplifier?
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 84
In a dc compound motor, 4-point starter provided as _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 85
The simplest form of a motor controller is _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 86
The plugging provides ___________ braking torque in comparison to rheostatic and regenerative braking systems.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 87
Dynamic braking is very effective if the dc motor _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 88
In case of dc shunt motors, the regenerative braking is employed when the load _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 89
The variable loss in a dc shunt machine is _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2 - Question 90
In a synchronous generator, a divided winding rotor is preferable to a conventional winding rotor because of _____.
