Power Electronics A diac is turned on by ___________. A breakover voltage None of these Gate current Gate voltage A breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these Extremely low High Low None of these Extremely low High Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Increases Decreases None of these Remains the same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? SITS. IGBTs. COOLMOS. TRIAC. SITS. IGBTs. COOLMOS. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high thermal conductivity. high melting point. All of these. large surface area. high thermal conductivity. high melting point. All of these. large surface area. ANSWER DOWNLOAD EXAMIANS APP