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
10.3 µA
7.75 µA
14.8 µA
7.8 µA

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Electronic Principles
Which one of the following statements is true for the voltages in a series RC circuit?

The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is equal to the sum of the voltages across the resistance and capacitance
None of these
The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance

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Electronic Principles
The peak value of a sine waveform is:

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

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