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Match the following: List I List II A. Zener diode 1. used in seven segment display B. Tunnel diode 2. used in voltage regulator circuits C. LED 3. used is solar energy utilization D. Photovoltaic cell 4. used in digital circuits

A-1, B-3, C-2, D-4
A-2, B-3, C-1, D-4
A-2, B-4, C-1, D-3
A-3, B-2, C-4, D-1

Correct Answer: A-2, B-4, C-1, D-3

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