Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA None of these 300 mA 7.8 mA 208 mA 200 mA None of these 300 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? None of these 7200 A 180 A 0.5A 0.083333333333333 None of these 7200 A 180 A 0.5A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two multiplies the value of inductance by four has no effect on the inductance reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four has no effect on the inductance reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor None of these two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric two coils separated by a conductor None of these two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? 3 1 None of these 2 3 1 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
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