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Class 12 › Physics › Electric Potential & Capacitance
CBSE2022Class Class 12 · Physics1 Marks · Mcq✅ Verified
A uniform electric field pointing in positive X-direction exists in a region. A is origin, B is on X-axis at x = +1 cm, C is on Y-axis at y = +1 cm. Then the potential at A, B and C satisfy:
A. VA < VB
B. VA > VB
C. VA < VC
D. VA > VC
✅ Answer & Solution
✅ Correct Answer: B
✅ Correct Answer: (B) VA > VB
📌 Concept: Potential decreases in the direction of Electric Field.
E → along +X direction
Analysis:
A to B (along +X axis):
• Moving in the direction of E → <b>potential decreases</b>
• VB < VA → <b>VA > VB</b> ✓
A to C (along +Y axis):
• E has NO component along Y-axis.
• Moving perpendicular to E → <b>no change in potential</b>
• VC = VA
∴ Correct relation: <b>VA > VB</b> and <b>VA = VC</b>
