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
250 µA
None of these
300 µA

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Electronic Principles
The peak value of a sine waveform is:

None of these
the amplitude at 70.7% of the maximum value
the maximum positive or negative value
the amplitude at 90% of the maximum value
the amplitude at 1.41 times the maximum value

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

round off both the voltage and current waveforms
None of these
peak the current and round off the voltage waveforms
peak the voltage and round off the current waveforms
peak both the voltage and current waveforms

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