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: No more than 10% less than the primary current Same as the primary current Twice the primary current One-half the primary current None of these No more than 10% less than the primary current Same as the primary current Twice the primary current One-half the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 220 ohm 445 ohm 690 ohm None of these 150 ohm 220 ohm 445 ohm 690 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current None of these base current collector current emitter current supply current None of these base current collector current emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor All of these Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost a proton None of these Gained an electron Lost an electron Gained a proton Lost a proton None of these Gained an electron Lost an electron Gained a proton ANSWER DOWNLOAD EXAMIANS APP
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