Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature None of these brush commutator loop armature None of these brush commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = IE P = E2/R I = P/E None of these P = I2R P = IE P = E2/R I = P/E None of these P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value None of these the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell photodiode photo transistor None of these thermocouple solar cell photodiode photo transistor None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it 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: Same as the primary current Twice the primary current None of these No more than 10% less than the primary current One-half the primary current Same as the primary current Twice the primary current None of these No more than 10% less than the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP