Q2 / 68 · NTA Abhyas (JEE Main) 2020 · Physics · Electromagnetic Induction

In the LC circuit shown below, the current is in direction as shown and the charges on the capacitor plates have the sign as shown. At this instant

Figure

  • A
    I is increasing Q is increasing
  • B
    I is increasing Q is decreasing
  • Correct answer
    C
    I is decreasing Q is increasing
  • D
    I is decreasing and Q is decreasing

Solution

As clearly ‘Q’ is increasing so electric field energy in capacitor must be increasing. And hence, magnetic field energy in inductor must be decreasing. So I is decreasing.

Hence, the correct answer is option: 'C'.

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