Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four None of these has no effect on the inductance 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 has no effect on the inductance multiplies the value of inductance by two reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons None of these No holes a few free electrons and holes many holes many free electrons None of these No holes a few free electrons and holes many holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic n-type None of these p-type Intrinsic Extrinsic n-type None of these p-type Intrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 3 W None of these 6 W 64 W 122 W 3 W None of these 6 W 64 W 122 W ANSWER DOWNLOAD EXAMIANS APP
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