Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 1 V 0.3V 2 m V per degree Celsius 0.7V None of these 1 V 0.3V 2 m V per degree Celsius 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Gomes None of these Shockley Smith Fisher Gomes None of these Shockley Smith Fisher ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V 12 V 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: has no effect on the total circuit current cuts the total current by one-half thrice the amount of total current None of these doubles the amount of total current has no effect on the total circuit current cuts the total current by one-half thrice the amount of total current None of these doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 13 mA 0.05 mA 3.2 mA None of these 3.75 mA 13 mA 0.05 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
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