Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices chemical cell solar cell None of these thermocouple piezoelectric devices chemical cell solar cell None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 300 µA 250 µA 350 µA None of these 0.25 µA 300 µA 250 µA 350 µA None of these 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 1000 A one-millionth of an ampere 10000A one million amperes None of these 1000 A one-millionth of an ampere 10000A one million amperes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW None of these 200 mW 300 mW 20 mW 10 mW None of these 200 mW 300 mW 20 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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