SSC JE Electrical Engineering 24th Jan 2018 Shift-2
For the following questions answer them individually
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 191
The reverse bias characteristics of a semiconductor diode is shown in
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 192
The peak inverse voltage, in case of a bridge rectifier, for each, diode is: (where, Ej, = Peak value of input voltage)
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 193
In an electroniccircuit transistor is used for switching ON and OFFa relay, when the transistor switches OFFthe relay, a higher voltage appears across the transistor. How can a transistor be protected from this voltage?
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 194
The efficiency of the class B amplifier is approximately:
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 195
The oscillations in a synchronous motor can be damped out by
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 196
An over excited synchronous motor is used for .........
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 197
Synchronous motors are ..........
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 198
When any one-phase of a 3-phase synchronous motor is short-circuited, the motor .......
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 199
Which of the following can be measured by conducting insulation resistance test on a synchronous motor ?
SSC JE Electrical Engineering 24th Jan 2018 Shift-2 - Question 200
The under-excited synchronous motor takes ..........
