Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 20 k Ohm or more None of these 200 k Ohm or less 20 km or less 200 k Ohm or more 20 k Ohm or more None of these 200 k Ohm or less 20 km or less ANSWER DOWNLOAD EXAMIANS APP
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? 300 mA 208 mA 7.8 mA None of these 200 mA 300 mA 208 mA 7.8 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA None of these 12 mA 11 mA 14 mA 10 mA None of these 12 mA 11 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
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