An amplifier is said to suffer from distortion when its output is - (1) low (2) different from input (3) noisy (4) larger than its input

An amplifier is said to suffer from distortion when its output is - (1) low (2) different from input (3) noisy (4) larger than its input
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(3) noisy Explanation: Amplifier Distortion can take on many forms such as Amplitude, Frequency and Phase Distortion due to Clipping. For a signal amplifier to operate correctly without any distortion to the output signal, it requires some form of DC Bias on its Base or Gate terminal.
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