Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell nicad cell None of these piezoelectric device photodiode solar cell nicad cell None of these piezoelectric device photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.41666666666667 0.955 A 2.02 A 0.02 A None of these 0.41666666666667 0.955 A 2.02 A 0.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the emitter current base current supply current None of these collector current emitter current base current supply current None of these collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
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