Electronic Principles A device that converts mechanical pressure to electrical energy is called a: None of these photodiode piezoelectric device solar cell nicad cell None of these photodiode piezoelectric device solar cell nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 40 V 0 V 60 V None of these 36 V 40 V 0 V 60 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is None of these 0.083333333333333 2 mA 0.5 mA 200 A None of these 0.083333333333333 2 mA 0.5 mA 200 A ANSWER DOWNLOAD EXAMIANS APP
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