Power Electronics Materials used in heat sink should have high thermal conductivity. All of these. high melting point. large surface area. high thermal conductivity. All of these. high melting point. large surface area. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor across the string. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 23 mA. 40 mA. 60 mA. 10 mA. 23 mA. 40 mA. 60 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 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 60° to 120°. 30° to 180°. 60° to 180°. 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP