Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current base current None of these emitter current supply current collector current base current None of these emitter current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Reluctance Flux density Magnetomotive force None of these Number of lines of force Reluctance Flux density Magnetomotive force None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 10 k Ohm 1 k Ohm None of these 2 k Ohm 20 k Ohm 10 k Ohm 1 k Ohm None of these 2 k Ohm 20 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half 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? 175 mA None of these 1750 mA 17.5 mA 1.75 mA 175 mA None of these 1750 mA 17.5 mA 1.75 mA ANSWER DOWNLOAD EXAMIANS APP