Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: None of these lightning batteries oscillators generators None of these lightning batteries oscillators generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is less than the number of holes None of these Is greater than the number of holes Impossible to say Equals the number of holes Is less than the number of holes None of these Is greater than the number of holes Impossible to say Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Mercury-cell battery None of these Lead-acid battery Nicad battery Zinc-carbon battery Mercury-cell battery None of these Lead-acid battery Nicad battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A None of these 0.41666666666667 100 A 0.1 A 1000 A None of these 0.41666666666667 100 A 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity There is no valid comparison Permeance Permeability Reluctance Retentivity There is no valid comparison Permeance Permeability Reluctance ANSWER DOWNLOAD EXAMIANS APP