Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Wattmeter None of these Ammeter Voltmeter Ohmmeter Wattmeter None of these Ammeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: volt ohm watt ampere None of these volt ohm watt ampere None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half None of these multiplies the value of inductance by four reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS