A cube is placed inside an electric field, E → = 150 y 2 j ^ The side of the cube is 0 . 5   m…

A cube is placed inside an electric field, E=150y2j^ The side of the cube is 0.5 m and is placed in the field as shown in the given figure. The charge inside the cube is:

  1. 8.3×10-11C
  2. 3.8×10-11C
  3. 3.8×10-12C
  4. 8.3×10-12C

Solution

By gauss law E·ds=qin ε0

ε0(150)(0.5)2×(0.5)2=qin

qin=8.85×10-12×15016=8.3×10-11C

Asked in: JEE Main 2021 (01 Sep Shift 2)

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