Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Doping None of these Thermal energy Valence electrons Free electrons Doping None of these Thermal energy Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle None of these The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these P = PR P = E2/R R = E2/P I = P/E None of these P = PR P = E2/R R = E2/P I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Number of lines of force Reluctance Flux density Magnetomotive force None of these Number of lines of force Reluctance Flux density Magnetomotive force 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? 2.02 A 0.995 mA 157 raA 0.151 mA None of these 2.02 A 0.995 mA 157 raA 0.151 mA None of these ANSWER DOWNLOAD EXAMIANS APP