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? 68.4 mA 28.4 mA 34.4 mA None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA None of these 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: None of these 100,000 ohm 1 k ohm one million ohms one-millionth of an ohm None of these 100,000 ohm 1 k ohm one million ohms one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 20 V 18.8 V 0.17 V None of these 10.17 V 20 V 18.8 V 0.17 V None of these 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Equals the number of holes Is less than the number of holes None of these Is greater than the number of holes Impossible to say Equals the number of holes Is less than the number of holes None of these Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell None of these photodiode nicad cell piezoelectric device solar cell None of these photodiode nicad cell piezoelectric device ANSWER DOWNLOAD EXAMIANS APP
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