Electronic Principles What form of energy is used for creating static electricity? Solar energy Chemical energy None of these Mechanical energy Light energy Solar energy Chemical energy None of these Mechanical energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 16.3 mA 55 A None of these 18.2 mA 55.86 A 16.3 mA 55 A None of these 18.2 mA 55.86 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The opposition to a build-up of magnetic fields The force that maintains lines of force The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1750 mA 175 mA None of these 17.5 mA 1.75 mA 1750 mA 175 mA None of these 17.5 mA 1.75 mA ANSWER DOWNLOAD EXAMIANS APP