Electrical Engineering Mcqs — Test 36
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Question 1
A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is _____?
Question 2
A single phase full bridge inverter can operated in load commutation mode in case load consist of______?
Question 3
An SCR is considered to be a semi controlled device because_______?
Question 4
The typical value of SCR for modern alternator is____________?
Question 5
An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be_____?
Question 6
A Triac has three terminals viz ___________?
Question 7
A thyristor is basically________?
Question 8
A PNPN device having two gates is ___________?
Question 9
A silicon controlled racitifier (SCR) is a ____________?
Question 10
A thyristor equivalent of a thyratron tube is a _________?