Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W 1000 W 100 W None of these 200 W 20 W 1000 W 100 W None of these 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.41666666666667 1000 A 100 A 0.1 A None of these 0.41666666666667 1000 A 100 A 0.1 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? None of these -3 -6 2 None of these -3 -6 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Thermal energy Doping None of these Free electrons Valence electrons Thermal energy Doping None of these Free electrons Valence electrons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS