Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that has no electrical charge None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that has no electrical charge None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 1.00 V 1000 mV 1000 V None of these 100 mV 1.00 V 1000 mV 1000 V None of these 100 mV ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these 0.6 A 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less 20 km or less None of these 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less 20 km or less None of these ANSWER DOWNLOAD EXAMIANS APP
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