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The coupling device is essential for a cascading transistor configuration.

(a) True

(b) False

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Correct option is (a) True

Best explanation: One of the main functions of the coupling device in a cascading transistor configuration is to block the direct current from passing through to the input of next stage from the output of the first stage. Another function of the coupling device is to transfer the current from the output of first stage to the input of the second stage.

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