Electronic Principles Positive ions are atoms that have Gained an electron None of these Gained a proton Lost a proton Lost an electron Gained an electron None of these Gained a proton Lost a proton Lost an electron ANSWER DOWNLOAD EXAMIANS APP
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 What is the barrier potential of a silicon diode at room temperature? 0.3V 1 V None of these 2 m V per degree Celsius 0.7V 0.3V 1 V None of these 2 m V per degree Celsius 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current Same as the primary current None of these Twice the primary current No more than 10% less than the primary current One-half the primary current Same as the primary current None of these Twice the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current and voltages are in phase through a resistor All of these Current lags the voltage through a resistor Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current lags the voltage through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
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