Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 9 None of these 85 6 81 9 None of these 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of Less than 100 k Ohm less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell electric device thermocouple None of these chemical cell solar cell electric device thermocouple None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: knife switch rotary switch None of these momentary push button switch toggle switch knife switch rotary switch None of these momentary push button switch toggle switch ANSWER DOWNLOAD EXAMIANS APP