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 None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: thrice the amount of total current doubles the amount of total current cuts the total current by one-half None of these has no effect on the total circuit current thrice the amount of total current doubles the amount of total current cuts the total current by one-half None of these has no effect on the total circuit current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 1000 A one-millionth of an ampere 10000A one million amperes None of these 1000 A one-millionth of an ampere 10000A one million amperes None of these ANSWER DOWNLOAD EXAMIANS APP
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