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? I = P/E P = IE None of these P = I2R P = E2/R I = P/E P = IE None of these P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Neither Secondary voltage None of these Impossible to say Primary voltage Neither Secondary voltage None of these Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 100 W 200 W 20 W None of these 1000 W 100 W 200 W 20 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? 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 Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from neutral to positive None of these from positive to negative from right to left from negative to positive from neutral to positive None of these from positive to negative from right to left from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP