Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 3.75 mA 13 mA 3.2 mA 0.05 mA None of these 3.75 mA 13 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Linear None of these Active Bipolar Nonlinear Linear None of these Active Bipolar Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than protons None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than protons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 18 V 12 V None of these 30 V 24 V 18 V 12 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
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