CBSE
2018
Class Class 12 · Physics
1 Marks · Mcq
✅ Verified
If the uniform electric field exists along X-axis, then equipotential surface is along
A. XY-plane
B. XZ-plane
C. YZ-plane
D. anywhere
✅ Answer & Solution
✅ Correct Answer: C
โ
Correct Answer: (C) YZ-plane
๐ Key Principle:
<b>Electric field</b> is always <b>perpendicular</b> to <b>equipotential surfaces</b>.
Step 1 โ Recall the Relation:
โข Electric field <b>E</b> exists along the <b>X-axis</b>.
โข Equipotential surfaces must be โฅ to <b>E</b>.
Step 2 โ Determine Direction:
โข A plane perpendicular to the X-axis is the <b>YZ-plane</b>.
โด Equipotential surfaces lie along the <b>YZ-plane</b>.
✅ Verified by Super Admin