Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a piece of copper wire a conductor None of these a battery an insulator a piece of copper wire a conductor None of these a battery an insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? None of these 50 Ohm or more 6 Ohm 100 Ohm 5 Ohm None of these 50 Ohm or more 6 Ohm 100 Ohm 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain is contant equals the collector current divided by the base current None of these varies enormously varies slightly is contant equals the collector current divided by the base current None of these varies enormously varies slightly ANSWER DOWNLOAD EXAMIANS APP
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