Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V None of these 0.3V 2 m V per degree Celsius 1 V 0.7V None of these 0.3V 2 m V per degree Celsius 1 V 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? 17.5 mA 1750 mA 175 mA 1.75 mA None of these 17.5 mA 1750 mA 175 mA 1.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.1 A None of these 1000 A 0.41666666666667 100 A 0.1 A None of these 1000 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A None of these the amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A None of these the amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: less than the value of the smallest inductor None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current equal to the sum of the individual inductance values less than the value of the smallest inductor None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP
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