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? None of these 1000 A 0.41666666666667 100 A 0.1 A None of these 1000 A 0.41666666666667 100 A 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA None of these 10.3 µA 14.8 µA 7.75 µA 7.8 µA None of these 10.3 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm 1 k ohm one million ohms one-millionth of an ohm None of these 100,000 ohm 1 k ohm one million ohms one-millionth of an ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? 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 algebraic sum of currents entering and leaving a point is equal to zero 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 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 algebraic sum of currents entering and leaving a point is equal to zero 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Crystal Valence orbit None of these Covalent bond Semiconductor Crystal Valence orbit None of these Covalent bond Semiconductor ANSWER DOWNLOAD EXAMIANS APP
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