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? 651 V None of these 208 V 700 V 707 V 651 V None of these 208 V 700 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage Rectify line voltage Amplify weak signals Emit light None of these Regulate voltage Rectify line voltage Amplify weak signals Emit light None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Thermal energy None of these Covalent bonding Lifetime Recombination Thermal energy None of these Covalent bonding Lifetime Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current varies slightly varies enormously is contant None of these equals the collector current divided by the base current varies slightly varies enormously is contant None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Lead-acid battery None of these Nicad battery Mercury-cell battery Zinc-carbon battery Lead-acid battery None of these Nicad battery Mercury-cell battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from neutral to positive None of these from left to right from negative to positive from positive to negative from neutral to positive None of these from left to right from negative to positive ANSWER DOWNLOAD EXAMIANS APP
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