Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
A circuit is connected as shown in the figure with the switch $S$ open. When the switch is closed, the total amount of charge that flows from $Y$ to $X$ is

PhysicsCapacitanceJEE AdvancedJEE Advanced 2007 (Paper 1)
Options:
  • A
    zero
  • B
    $54 \mu \mathrm{C}$
  • C
    $27 \mu \mathrm{C}$
  • D
    $81 \mu \mathrm{C}$
Solution:
2473 Upvotes Verified Answer
The correct answer is:
$27 \mu \mathrm{C}$
From $Y$ to $X$ charge flows to plates $a$ and $b$.
$$
\left(q_0+q_b\right)_i=0,\left(q_0+q_b\right)_f=27 \mu \mathrm{C}
$$



$\therefore 27 \mu \mathrm{C}$ charge flows from $Y$ to $X$.
$\therefore$ Correct option is (c)

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.