Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 60. 37.14. 65. 3.714. 60. 37.14. 65. 3.714. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 1.5 - 2 V. 0 - 0.5 V. 1 - 1.5 V. 0.5 - 1 V. 1.5 - 2 V. 0 - 0.5 V. 1 - 1.5 V. 0.5 - 1 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. large surface area. high melting point. All of these. high thermal conductivity. large surface area. high melting point. ANSWER DOWNLOAD EXAMIANS APP
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