Power Electronics Under over voltage condition impedance offered by the voltage clamping device is low. high. moderate. infinity. low. high. moderate. infinity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is less than holding current. < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 4242.64 A. 6000 A. 2121.32 A. 1500 A. 4242.64 A. 6000 A. 2121.32 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
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