Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have None of these Gained an electron Gained a proton Lost an electron Lost a proton None of these Gained an electron Gained a proton Lost an electron Lost a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Capacitive reactance provides the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force ANSWER DOWNLOAD EXAMIANS APP
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