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 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 10000A one-millionth of an ampere 1000 A None of these one million amperes 10000A one-millionth of an ampere 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W 20 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet a paramagnetic alloy None of these a natural magnet an artificial magnet a temporary magnet a paramagnetic alloy None of these a natural magnet an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow None of these The flow of charged particles through a material An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
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