Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? None of these The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically None of these The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 122 W 64 W 6 W 3 W None of these 122 W 64 W 6 W 3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms None of these 100,000 ohm one-millionth of an ohm 1 k ohm one million ohms None of these 100,000 ohm one-millionth of an ohm 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP