Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 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? 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators None of these oscillators batteries lightning generators None of these oscillators batteries lightning 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? None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Thermal energy Doping None of these Free electrons Valence electrons Thermal energy Doping None of these Free electrons Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals None of these Negative charges Atoms Positive charges Crystals None of these Negative charges Atoms Positive charges ANSWER DOWNLOAD EXAMIANS APP
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