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
Power Electronics COOLMOS device can be used in application up to power range of 1 KVA. 2 KVA. 500 VA. 100 KVA. 1 KVA. 2 KVA. 500 VA. 100 KVA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of BJTs and MOSFETs. BJTs and SITs. SITs and MOSFETs. None of these. BJTs and MOSFETs. BJTs and SITs. SITs and MOSFETs. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. 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 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Intrinsic stand off ratio Peak-point voltage Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage Bilateral conduction Negative resistance ANSWER DOWNLOAD EXAMIANS APP
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