Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Decreases None of these Essentially remains the same Increases Decreases None of these Essentially remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. None of these In series In parallel In inverse-parallel None of these In series In parallel In inverse-parallel 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 Maximum power loss occurs during delay time. spread time. rise time. all. delay time. spread time. rise time. all. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of SITs and MOSFETs. None of these. BJTs and MOSFETs. BJTs and SITs. SITs and MOSFETs. None of these. BJTs and MOSFETs. BJTs and SITs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 7, 5. 6, 4. 5, 7. 4, 6. 7, 5. 6, 4. 5, 7. 4, 6. ANSWER DOWNLOAD EXAMIANS APP
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