Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: equal to 0.707 times the peak amplitude None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle the number of cycles completed in one second equal to 0.707 times the peak amplitude None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half has no effect on the total circuit current doubles the amount of total current thrice the amount of total current None of these cuts the total current by one-half has no effect on the total circuit current doubles the amount of total current thrice the amount of total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: cuts the current through the inductors one-half None of these has no effect on the current through the inductors doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half None of these has no effect on the current through the inductors doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes None of these Is less than the number of holes Equals the number of holes Impossible to say Is greater than the number of holes None of these Is less than the number of holes Equals the number of holes Impossible to say ANSWER DOWNLOAD EXAMIANS APP
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