Electronic Principles The merging of a free electron and a hole is called Recombination None of these Thermal energy Lifetime Covalent bonding Recombination None of these Thermal energy Lifetime Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than neutrons None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than neutrons None of these 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? None of these 300 µA 350 µA 250 µA 0.25 µA None of these 300 µA 350 µA 250 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP