Electronic Principles In a step-down transformer, which is larger? Primary voltage Neither Impossible to say Secondary voltage None of these Primary voltage Neither Impossible to say Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 1000 A 0.41666666666667 None of these 100 A 0.1 A 1000 A 0.41666666666667 None of these 100 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ammeter Ohmmeter Voltmeter None of these Wattmeter Ammeter Ohmmeter Voltmeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
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