Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential None of these Applied voltage Forward voltage Breakdown voltage Barrier potential None of these Applied voltage Forward voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons Doping Thermal energy None of these Valence electrons Free electrons Doping Thermal energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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