PYQ Vault

Bulb in series with a capacitor: brightness when capacitance and frequency are reduced

The same question, asked 2 times: 16 May 2023 S2, 11 Apr 2026 S2. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    16 May 2023 S2

    31
    A light bulb connected in series with a capacitor and an a.c. source is glowing with a certain brightness. On reducing the capacity of capacitance and frequency of source, the brightness of the lamp (respectively)

    Tap an option to check your answer.

  2. Question 2

    11 Apr 2026 S2

    135
    A light bulb connected in series with a capacitor and an a.c.source is glowing with certain brightness. On reducing the value of capacitance and frequency respectively, the brightness of the bulb

    Tap an option to check your answer.