Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 13 mA None of these 3.2 mA 0.05 mA 3.75 mA 13 mA None of these 3.2 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 2.02 A None of these 0.151 mA 157 raA 0.995 mA 2.02 A None of these 0.151 mA 157 raA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance doubles the amount of a capacitive reactance None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance doubles the amount of a capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current base current supply current None of these emitter current collector current base current supply current None of these emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 100 k Ohm Less than 10 Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS