Electronic Principles Holes act like: Atoms None of these Crystals Negative charges Positive charges Atoms None of these Crystals Negative charges Positive charges 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? 0.3 A 0.4 A 0.6 A 0.2 A None of these 0.3 A 0.4 A 0.6 A 0.2 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force 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 of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance is equal to the sum of the individual resistances 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 of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 175 mA 1.75 mA None of these 1750 mA 17.5 mA 175 mA 1.75 mA None of these 1750 mA 17.5 mA 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? 300 µA 0.25 µA 250 µA 350 µA None of these 300 µA 0.25 µA 250 µA 350 µA None of these ANSWER DOWNLOAD EXAMIANS APP
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