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Capacitor question

2025 · 24 Jan · Shift 1 · Q63
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  5. /2025 · 24 Jan · Shift 1 · Q63

Capacitor question

2025 · 24 Jan · Shift 1 · Q63

JEE MainPhysicsCapacitorMCQ+4 / −1
A parallel plate capacitor was made with two rectangular plates, each with a length of l=3 cml=3 \mathrm{~cm}l=3 cm and breath of b=1 cm\mathrm{b}=1 \mathrm{~cm}b=1 cm. The distance between the plates is 3μ m3 \mu \mathrm{~m}3μ m. Out of the following, which are the ways to increase the capacitance by a factor of 10 ? A. l=30 cm, b=1 cm, d=1μ ml=30 \mathrm{~cm}, \mathrm{~b}=1 \mathrm{~cm}, \mathrm{~d}=1 \mu \mathrm{~m}l=30 cm, b=1 cm, d=1μ m B. l=3 cm, b=1 cm, d=30μ ml=3 \mathrm{~cm}, \mathrm{~b}=1 \mathrm{~cm}, \mathrm{~d}=30 \mu \mathrm{~m}l=3 cm, b=1 cm, d=30μ m C. l=6 cm, b=5 cm, d=3μ ml=6 \mathrm{~cm}, \mathrm{~b}=5 \mathrm{~cm}, \mathrm{~d}=3 \mu \mathrm{~m}l=6 cm, b=5 cm, d=3μ m D. l=1 cm, b=1 cm, d=10μ ml=1 \mathrm{~cm}, \mathrm{~b}=1 \mathrm{~cm}, \mathrm{~d}=10 \mu \mathrm{~m}l=1 cm, b=1 cm, d=10μ m E. l=5 cm, b=2 cm, d=1μ ml=5 \mathrm{~cm}, \mathrm{~b}=2 \mathrm{~cm}, \mathrm{~d}=1 \mu \mathrm{~m}l=5 cm, b=2 cm, d=1μ m Choose the correct answer from the options given below:
  1. A
    C only
  2. B
    A only
  3. C
    B and D only
  4. D
    C and E only
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