Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Increases Decreases Remains the same None of these Increases Decreases Remains the same None of these 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 3.3 µs 3.1 µs 3 µs. 3.2 µs 3.3 µs 3.1 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate voltage None of these A breakover voltage Gate current Gate voltage None of these A breakover voltage Gate current ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 2 KV. 10 KV. 6 KV. 8 KV. 2 KV. 10 KV. 6 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 10 mA. 23 mA. 60 mA. 40 mA. 10 mA. 23 mA. 60 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
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