Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E P = I2R P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 12 V 24 V None of these 18 V 30 V 12 V 24 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? 1 None of these 3 2 1 None of these 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these Same number as free electrons Only those produced by thermal energy less than the free electrons many None of these Same number as free electrons Only those produced by thermal energy less than the free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 V 9.3 W 0.041666666666667 None of these 0.93 W 0.93 V 9.3 W 0.041666666666667 None of these 0.93 W ANSWER DOWNLOAD EXAMIANS APP