Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: None of these a poor conductor of electrostatic fields a good conductor a good insulator a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good conductor a good insulator a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges None of these Crystals Atoms Negative charges Positive charges None of these Crystals Atoms Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet 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 Like magnetic poles attract, while unlike poles repel None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS