Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

None of these
7.75 µA
10.3 µA
14.8 µA
7.8 µA

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Electronic Principles
The total capacitance of a series capacitor circuit is:

equal to the sun of the individual capacitive-reactance values
None of these
less than the value of the smallest capacitor
equal to the sum of the individual capacitance values
equal to the source voltage divided by total current

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Electronic Principles
One henry of inductance is defined as:

the amount of inductance required to change the frequency of a current by 1 Hz
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
None of these
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

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