Q. The input resistance of common collector amplifier is _

A
Medium
B
Low
C
High
D
None of the above
Solution:

Dynamic input resistance is defined as the ratio of change in input voltage or base voltage (VBC) to the corresponding change in input current or base current (IB), with the output voltage or emitter voltage (VEC) kept at constant.

The input resistance of common collector amplifier is high.

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