Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell photodiode piezoelectric device None of these nicad cell solar cell photodiode piezoelectric device None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 60 V 0 V 40 V 36 V None of these 60 V 0 V 40 V 36 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point down nowhere off the load line None of these up down nowhere off the load line None of these up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 10000A None of these one million amperes 1000 A one-millionth of an ampere 10000A None of these one million amperes 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: doubles the amount of capacitive reactance None of these cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
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