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UPPSC AE Paper-2 Quiz-14
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Question 1
The expression for reverse recovery time of a power diode is given by:
Where, 
= Reverse recovery charge
S = Softness factor
= Rate of change of reverse current
Question 2
One of the main functions of RF stage amplifier in Super Heterodyne Radio Receiver is to
Question 3
A permanent magnet stepper motor with 8 poles in stator and 6 poles in rotor will have a step angle of
Question 4
A single phase half bridge inverter is operated from 50V dc source and supplies power to a resistive load. The total harmonic factor (THD) is?
Question 5
How many essential prime implicants are there in the given k-map?
Question 6
The below program is processed by 8085 microprocessor
LXI H, 7034H
XRA A
MVI A, 50H
CMP H
What will be the contents of Flag register?
Question 7
Floating terminal in ECL (Emitter coupled logic) is treated as
Question 8
Harmonic restrain is used in transformers protection against
Question 9
The interrupting time of a circuit breaker is the period between the instant of
Question 10
Consider a 4 pole, 50 Hz 3- ϕ IM with negligible stator impedance and negligible mechanical losses. It runs at speed of 1440 RPM. The value of efficiency of motor will be:
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AE & JE ExamsJun 20AE & JE Exams
