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Exercise

"Nothing is impossible to a willing heart."
- (Proverb)
1. 

A common-gate amplifier is similar in configuration to which BJT amplifier?

A. common-emitterB. common-collector
C. common-baseD. emitter-follower

2. 

The theoretical efficiency of a class D amplifier is

A. 75%.B. 85%.
C. 90%.D. 100%.

3. 

A common-source amplifier is similar in configuration to which BJT amplifier?

A. common-baseB. common-collector
C. common-emitterD. emitter-follower

4. 

Refer to this figure. If R6 opened, the signal at the drain of Q1 would

A. increase.
B. decrease.
C. remain the same.
D. distort.

5. 

Refer to this figure. Find the value of VD.

A. 20 V
B. 11 V
C. 10 V
D. 9 V




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