Electronic Principles What kind of battery is most likely included in a cordless electric knife? Lead-acid battery Mercury-cell battery Nicad battery Zinc-carbon battery None of these Lead-acid battery Mercury-cell battery Nicad battery Zinc-carbon battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 18.2 mA 16.3 mA None of these 55 A 55.86 A 18.2 mA 16.3 mA None of these 55 A 55.86 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm None of these one million ohms 1 k ohm 100,000 ohm one-millionth of an ohm None of these one million ohms 1 k ohm 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
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? 651 V 700 V 208 V None of these 707 V 651 V 700 V 208 V None of these 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R None of these P = PR I = P/E R = E2/P P = E2/R None of these P = PR I = P/E R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same 0oC None of these Decreases Increases Stays the same 0oC None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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