An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be_____? A. 1500 A. B. 6000 A.C. 2121.32 A. D. 4242.64 A.
A Triac has three terminals viz ___________? A. Drain, source, gateB. Two main terminal and a gate terminal C. Cathode, anode, gate D. None of the above
A thyristor is basically________? A. PNPN device B. A combination of diac and triac C. A set of SCRs D. A set if SCR,diac and triac
A PNPN device having two gates is ___________? A. Diac B. Triac C. SUSD. BCS
A silicon controlled racitifier (SCR) is a ____________? A. Unijunction deviceB. Device with three junction C. Device with four junction D. None of the above
A thyristor equivalent of a thyratron tube is a _________? A. Diac B. TriacC. Silicon controlled-rectifier SCR D. None of above
A Triac is a ______________? A. 2 terminal switch B. 2 terminal bilateral switch C. 3 terminal bilateral switchD. 3 terminal bidirectional switch