Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

350 µA
0.25 µA
300 µA
None of these
250 µA

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Electronic Principles
For a pure capacitor:

ac current is converted to dc voltage
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree
None of these
ac current leads the voltage by 90 degree

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