Electronic Principles What is a negative ion? None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more protons than neutrons None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same Increases Decreases None of these 0oC Stays the same Increases Decreases None of these 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy None of these Electronical energy Solar energy Mechanical energy Chemical energy None of these Electronical energy Solar energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm 99.3 Ohm 70.7Ohm 60 Ohm None of these 250 Ohm 99.3 Ohm 70.7Ohm 60 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
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