Electronic Principles Most AC power is obtained from: None of these generators lightning batteries oscillators None of these generators lightning batteries oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 0.7V None of these 1 V 0.3V 2 m V per degree Celsius 0.7V None of these 1 V 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
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 208 V 707 V 651 V None of these 700 V 208 V 707 V 651 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device photodiode None of these nicad cell solar cell piezoelectric device photodiode None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same Decreases Increases Can be any of above None of these Stays the same Decreases Increases Can be any of above None of these ANSWER DOWNLOAD EXAMIANS APP
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