Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 2 43922 43891 None of these 3 2 43922 43891 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Covalent bond Semiconductor Crystal None of these Valence orbit Covalent bond Semiconductor Crystal None of these 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: No more than 10% less than the primary current Twice the primary current Same as the primary current One-half the primary current None of these No more than 10% less than the primary current Twice the primary current Same as the primary current One-half the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 300 µA 0.25 µA 250 µA None of these 350 µA 300 µA 0.25 µA 250 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these armature loop brush commutator None of these armature loop brush commutator ANSWER DOWNLOAD EXAMIANS APP
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