Discussion :: Analog Electronics
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In a CE amplifier the input impedance is equal to the ratio of
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A.
ac base voltage to ac base current
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B.
ac base voltage to ac emitter current
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C.
ac emitter voltage to ac collector current
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D.
ac collector voltage to ac collector current
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Answer : Option A
Explanation :
Input is applied to base with emitter grounded. The input impedance is the ratio of ac base voltage to ac base current.
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