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 690 ohm None of these 220 ohm 445 ohm 150 ohm 690 ohm None of these 220 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm 1 k ohm None of these one million ohms 100,000 ohm one-millionth of an ohm 1 k ohm None of these one million ohms 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Permeability Reluctance Permeance There is no valid comparison Retentivity Permeability Reluctance Permeance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA None of these 0.25 µA 350 µA 300 µA 250 µA None of these 0.25 µA 350 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators generators lightning None of these batteries oscillators generators lightning None of these batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Impossible to say Is less than the number of holes None of these Is greater than the number of holes Equals the number of holes Impossible to say Is less than the number of holes None of these Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
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