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? 4.73 24 V 0.4 V None of these 600 V 4.73 24 V 0.4 V None of these 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? None of these Lead-acid battery Zinc-carbon battery Mercury-cell battery Nicad battery None of these Lead-acid battery Zinc-carbon battery Mercury-cell battery Nicad battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain increases None of these decreases can be any of the above contant increases None of these decreases can be any of the above contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth None of these reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 3 V 16 V 8 V None of these 7.5 V 3 V 16 V 8 V None of these ANSWER DOWNLOAD EXAMIANS APP
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