Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 3.2 mA 13 mA None of these 3.75 mA 0.05 mA 3.2 mA 13 mA None of these 3.75 mA 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? 180 degree 0 degree 26.6 degree None of these 90 degree 180 degree 0 degree 26.6 degree None of these 90 degree 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? 20 mW None of these 10 mW 300 mW 200 mW 20 mW None of these 10 mW 300 mW 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm None of these 3890 Ohm 844.5 Ohm 692.2 Ohm 1234 Ohm None of these 3890 Ohm 844.5 Ohm 692.2 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency ANSWER DOWNLOAD EXAMIANS APP
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