SSC JE Electrical Engineering 3rd March 2017 Shift-1
For the following questions answer them individually
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 21
$$\alpha$$-cut off frequency of a bipolar junction transistor increases __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 22
A class - A transformer coupled, transistor power amplifier is required to deliver a power output of 10 watts. The maximum power rating of the transistor should not be less than __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 23
A switched mode power supply operating at 20kHz to 100kHz range uses as the main switching element is __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 24
The diffusion potential across a p-n junction __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 25
As compared to a full-wave rectifier using two diodes, the four diode bridge rectifier has the dominant advantage of __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 26
In DC shunt motor, if the terminal voltage is reduced to half and torque remains the same then __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 27
The exciting coils of any DC machine are wound __________.
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 28
Which of the following DC motors has the least drop in speed between no load to nominal load?
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 29
Which of the following motors is used to derive the constant speed line shafting lathes, blowers and fans?
SSC JE Electrical Engineering 3rd March 2017 Shift-1 - Question 30
If the field of a DC shunt motor is opened ______.
