Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same Decreases 0oC Increases None of these Stays the same Decreases 0oC Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy Electronical energy Solar energy Chemical energy None of these Mechanical energy Electronical energy Solar energy Chemical energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values 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? 0.93 W 0.93 V 9.3 W None of these 0.041666666666667 0.93 W 0.93 V 9.3 W None of these 0.041666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS