Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these 0oC Stays the same Decreases Increases None of these 0oC Stays the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 million farads None of these 1000 millifarads 1 millionth of a picofarad 1 million picofarads 1 million farads None of these 1000 millifarads 1 millionth of a picofarad 1 million picofarads ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA None of these 7.8 mA 200 mA 300 mA 208 mA None of these 7.8 mA 200 mA 300 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these ANSWER DOWNLOAD EXAMIANS APP
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