Electronic Principles What is one important thing transistors do? None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 0.707 0.575 10.738 1.5 None of these 0.707 0.575 10.738 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 30 V None of these 24 V 18 V 12 V 30 V None of these 24 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor None of these commutator armature battery rotor None of these commutator armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
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