# Electronic Devices - BJT Amplifiers

### Exercise :: BJT Amplifiers - General Questions

16.

A common-emitter amplifier has ________ voltage gain, ________ current gain, ________ power gain, and ________ input impedance.

 A. high, low, high, low B. high, high, high, low C. high, high, high, high D. low, low, low, high

Explanation:

No answer description available for this question. Let us discuss.

17.

What is the range of the input impedance of a common-base configuration?

 A. A few ohms to a maximum of 50 B. 1 k to 5 k C. 100 k to 500 k D. 1 M to 2 M

Explanation:

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18.

The advantage that a Sziklai pair has over a Darlington pair is

 A. higher current gain. B. less input voltage is needed to turn it on. C. higher input impedance. D. higher voltage gain.

Explanation:

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19.

What is the typical range of the output impedance of a common-emitter configuration?

 A. 10 to 100 B. 1 k to 5 k C. 40 k to 50 k D. 500 k to 1 k

Explanation:

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20.

What is the unit of the parameter ho?

 A. Volt B. Ohm C. Siemen D. No unit