Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere one million amperes 1000 A 10000A None of these one-millionth of an ampere one million amperes 1000 A 10000A None of these 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 3.2 mA 0.05 mA None of these 3.75 mA 13 mA 3.2 mA 0.05 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half thrice the amount of total current None of these has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 9 6 None of these 81 85 9 6 None of these ANSWER DOWNLOAD EXAMIANS APP
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