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KEAM 2011 Physics and Chemistry Paper

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Question : 25

Total: 120

A transistor oscillator is (i) an amplifier with positive feedback (ii) an amplifier withreduced gain (iii) the one in which dc supply energy is converted into ac output energy.Then

all (i), (ii) and (iii) are correct
only (i) and (ii) are correct
only (i) and (iii) are correct i
only (ii) and (iii) are correct
only (ii) is correct

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