Electronic Principles The rotating coil of wire in an electric motor is called the: commutator None of these loop brush armature commutator None of these loop brush armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors None of these doubles the amount of current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors None of these doubles the amount of current through the inductors cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 9.3 W 0.93 W 0.041666666666667 0.93 V None of these 9.3 W 0.93 W 0.041666666666667 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 180 degree 75 degree 45 degree None of these 30 degree 180 degree 75 degree 45 degree None of these ANSWER DOWNLOAD EXAMIANS APP
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