Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 4.73 0.4 V 600 V 24 V None of these 4.73 0.4 V 600 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.995 mA 157 raA None of these 2.02 A 0.151 mA 0.995 mA 157 raA None of these 2.02 A 0.151 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons a few free electrons and holes No holes None of these many holes many free electrons a few free electrons and holes No holes None of these many holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 2 mA 0.5 mA None of these 200 A 0.083333333333333 2 mA 0.5 mA None of these 200 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 2.02 A 0.41666666666667 0.02 A None of these 0.955 A 2.02 A 0.41666666666667 0.02 A None of these 0.955 A 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: No more than 10% less than the primary current Same as the primary current None of these One-half the primary current Twice the primary current No more than 10% less than the primary current Same as the primary current None of these One-half the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
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