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Match List-I with List-II. List-I: (A) Rectifier, (B) Stabilizer, (C) Transformer, (D) Filter. List-II: (i) used for stepping up or stepping down an a.c. voltage, (ii) used to convert a.c. voltage into d.c. voltage, (iii) used to remove any ripple in the rectified output, (iv) used for constant output voltage even when the input voltage or load current changes.

Asked in JEE Main 25th Feb 2nd Shift 2021 · AC generator, motors and devices

• (1) A-(ii), B-(iv), C-(iv), D-(iii)
• (2) A-(iii), B-(iv), C-(i), D-(ii)
• (3) A-(ii), B-(i), C-(iii), D-(iv)
• (4) A-(ii), B-(iv), C-(i), D-(iii)

Step-by-step solution

Why the other options are wrong

• (1) Assigns (iv) to the transformer as well; a transformer steps voltage (i).
• (2) Maps the rectifier to ripple removal instead of a.c.-to-d.c.
• (3) Swaps the transformer and filter roles.

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