Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: chemical cell None of these solar cell thermocouple electric device chemical cell None of these solar cell thermocouple electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these a natural magnet an artificial magnet a paramagnetic alloy a temporary magnet None of these a natural magnet an artificial magnet a paramagnetic alloy a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the load resistor Open the load resister None of these Short the voltage source Open the voltage source Short the load resistor Open the load resister None of these Short the voltage source Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm At least 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these less than 10 Ohm At least 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP