Electronic Principles The rotating coil of wire in an electric motor is called the: armature commutator None of these brush loop armature commutator None of these brush loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms None of these peak both the voltage and current waveforms round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms None of these peak both the voltage and current waveforms round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage leads the total current by less than 90 degree The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage leads the total current by less than 90 degree The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the voltage source Open the load resistor None of these Short the load resistor Open the voltage source Short the voltage source Open the load resistor None of these Short the load resistor Open the voltage source ANSWER DOWNLOAD EXAMIANS APP