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 None of these 692.2 Ohm 844.5 Ohm 1234 Ohm 3890 Ohm None of these 692.2 Ohm 844.5 Ohm 1234 Ohm 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? 0.25 µA 250 µA 300 µA None of these 350 µA 0.25 µA 250 µA 300 µA None of these 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Negative charges Crystals Atoms Positive charges None of these Negative charges Crystals Atoms Positive charges None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 50 A None of these 20 A 0.20833333333333 50 A None of these 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 75 degree None of these 45 degree 180 degree 30 degree 75 degree None of these 45 degree 180 degree ANSWER DOWNLOAD EXAMIANS APP
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