Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices solar cell chemical cell thermocouple None of these piezoelectric devices solar cell chemical cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.7V None of these 2 m V per degree Celsius 0.3V 1 V 0.7V None of these 2 m V per degree Celsius 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 90 degree 0 degree 180 degree 26.6 degree None of these 90 degree 0 degree 180 degree 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 1000 W 20 W None of these 100 W 200 W 1000 W 20 W None of these 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Neither None of these Impossible to say Primary voltage Secondary voltage Neither None of these Impossible to say Primary voltage ANSWER DOWNLOAD EXAMIANS APP
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