Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell piezoelectric devices None of these thermocouple chemical cell solar cell piezoelectric devices None of these thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 445 ohm None of these 220 ohm 690 ohm 150 ohm 445 ohm None of these 220 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? None of these n-type Intrinsic p-type Extrinsic None of these n-type Intrinsic p-type Extrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these their waveforms are both ac or both dc they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Decreases 0oC None of these Stays the same Increases Decreases 0oC None of these Stays the same ANSWER DOWNLOAD EXAMIANS APP
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