Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? None of these 0.151 mA 0.995 mA 157 raA 2.02 A None of these 0.151 mA 0.995 mA 157 raA 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically None of these 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 remains at one polarity and at a steady level The voltage reverses polarity periodically None of these 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 remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device photodiode None of these nicad cell solar cell piezoelectric device photodiode None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 10000A None of these one-millionth of an ampere 1000 A one million amperes 10000A None of these one-millionth of an ampere 1000 A ANSWER DOWNLOAD EXAMIANS APP
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