Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? None of these 157 raA 2.02 A 0.151 mA 0.995 mA None of these 157 raA 2.02 A 0.151 mA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields None of these a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good conductor a good insulator a poor conductor of electrostatic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Chemical energy Solar energy None of these Mechanical energy Light energy Chemical energy Solar energy None of these Mechanical energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? None of these 90 Ohm - 110 ohm 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 99 Ohm - 102 ohm None of these 90 Ohm - 110 ohm 98 Ohm - 100.1 ohm 90 Ohm - 101 ohm 99 Ohm - 102 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half doubles the amount of capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
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