Electronic Principles What is the smallest number of polarities required for current flow? None of these Two - a negative terminal and a positive terminal Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal None of these Two - a negative terminal and a positive terminal Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric two dielectrics separated by a conductor None of these two coils separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric two dielectrics separated by a conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases 0oC None of these Stays the same Increases Decreases 0oC None of these Stays the same Increases 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 0.93 W 0.93 V 0.041666666666667 9.3 W None of these 0.93 W 0.93 V 0.041666666666667 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
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