Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A feiTomagnetic material A paramagnetic material None of these A diamagnetic material All of these A feiTomagnetic material A paramagnetic material None of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor commutator None of these armature battery rotor commutator None of these armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? None of these 60 Ohm 250 Ohm 99.3 Ohm 70.7Ohm None of these 60 Ohm 250 Ohm 99.3 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of counter emf required to reduce a current to 1 A None of these 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 amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A None of these 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 amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
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