Electronic Principles A loadstone is: a temporary magnet an artificial magnet a natural magnet None of these a paramagnetic alloy a temporary magnet an artificial magnet a natural magnet None of these a paramagnetic alloy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 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? 3890 Ohm 692.2 Ohm 1234 Ohm 844.5 Ohm None of these 3890 Ohm 692.2 Ohm 1234 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor Current leads the voltage through a resistor All of these None 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 All of these None of these Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A feiTomagnetic material All of these A diamagnetic material None of these A paramagnetic material A feiTomagnetic material All of these A diamagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
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