Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these base current emitter current supply current collector current None of these base current emitter current supply current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to None of these Open the voltage source Short the voltage source Short the load resistor Open the load resistor None of these Open the voltage source Short the voltage source Short the load resistor Open the load resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm 100,000 ohm one million ohms None of these 1 k ohm one-millionth of an ohm 100,000 ohm one million ohms None of these 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many None of these Same number as free electrons Only those produced by thermal energy less than the free electrons many None of these Same number as free electrons Only those produced by thermal energy less than the free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree None of these Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
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