Power Electronics Which semiconductor device acts like a diode and two transistor? UJT. SCR. Triac. Diac. UJT. SCR. Triac. Diac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant Transistor SCR UJT None of these Transistor SCR UJT None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. low value. high value. zero value. moderate value. low value. high value. zero value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to increase dV / dt. decrease di / dt. suppress dV / dt. decrease dV / dt. increase dV / dt. decrease di / dt. suppress dV / dt. decrease dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have large surface area. high melting point. high thermal conductivity. All of these. large surface area. high melting point. high thermal conductivity. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. None of these Am amplifier A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator A rectifier ANSWER DOWNLOAD EXAMIANS APP
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