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AIIMS 2014
Exam
AIIMS
Year
2014
Subject
Physics
Chapter
Electrostatics

AIIMS 2014 · Physics · Electrostatics

In a uniform electric field a charge of 3 C experiences a force of...

In a uniform electric field a charge of 3C3 \mathrm{C} experiences a force of 3000 N3000 \mathrm{~N}. The potential difference between two points 1 cm1 \mathrm{~cm} apart along the electric line of force will be

Options

  1. A10 V10 \mathrm{~V}
  2. B30 V30 \mathrm{~V}
  3. C300 V300 \mathrm{~V}
  4. D100 V100 \mathrm{~V}

Correct answer

A. 10 V10 \mathrm{~V}

Step-by-step solution

As E=Fq=3000 N3C=1000NC−1E=\frac{F}{q}=\frac{3000 \mathrm{~N}}{3 \mathrm{C}}=1000 \mathrm{NC}^{-1}. dr=1 cm=10−2 md r=1 \mathrm{~cm}=10^{-2} \mathrm{~m} dV=E(dr)=1000×10−2=10 Vd V=E(d r)=1000 \times 10^{-2}=10 \mathrm{~V}
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