Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Reluctance Number of lines of force Flux density Magnetomotive force None of these Reluctance Number of lines of force Flux density Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 15 V 8 V 16 V None of these 7.5 V 15 V 8 V 16 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half has no effect on the capacitive reactance doubles the amount of capacitive reactance None of these multiplies the capacitive reactance by 7 cuts the capacitive reactance in half has no effect on the capacitive reactance doubles the amount of capacitive reactance None of these multiplies the capacitive reactance by 7 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? None of these 7.8 µA 7.75 µA 10.3 µA 14.8 µA None of these 7.8 µA 7.75 µA 10.3 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R P = I2R P = IE I = P/E None of these P = E2/R P = I2R P = IE I = P/E 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? 0.1 A 0.41666666666667 100 A None of these 1000 A 0.1 A 0.41666666666667 100 A None of these 1000 A ANSWER DOWNLOAD EXAMIANS APP
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