Electronic Principles Most AC power is obtained from: None of these generators batteries lightning oscillators None of these generators batteries lightning oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Covalent bonding None of these Thermal energy Lifetime Recombination Covalent bonding None of these Thermal energy Lifetime Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? chemical cell None of these solar cell thermocouple generator chemical cell None of these solar cell thermocouple generator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons No holes many holes a few free electrons and holes None of these many free electrons No holes many holes a few free electrons and holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A None of these 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: 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 their waveforms are both ac or both dc All of these 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 their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
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