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Concepts Of Physics MCQ Edition [Volume 2]
Exam
Concepts Of Physics MCQ Edition [Volume 2]
Subject
Physics
Chapter
Electric Field and Potential

Concepts Of Physics MCQ Edition [Volume 2] · Physics · Electric Field and Potential

A charge of 1.0 imes 10^ -6 C experiences an electric force of 1.5...

A charge of 1.0imes10−6 C1.0 imes 10^{-6} \text{ C} experiences an electric force of 1.5imes10−3 N1.5 imes 10^{-3} \text{ N}. Determine the magnitude of the electric field at the location of the charge.

Options

  1. A1.5×10−9 N/C1.5 \times 10^{-9} \text{ N/C}
  2. B1.5×103 N/C1.5 \times 10^3 \text{ N/C}
  3. C1.5×104 N/C1.5 \times 10^4 \text{ N/C}
  4. D1.5×10−3 N/C1.5 \times 10^{-3} \text{ N/C}

Correct answer

B. 1.5×103 N/C1.5 \times 10^3 \text{ N/C}

Step-by-step solution

The relation between electric force FF, charge qq, and electric field EE is given by F=qEF = qE.

Rearranging for the electric field EE gives E=FqE = \dfrac{F}{q}.

Substituting the given values:

E=1.5×10−31.0×10−6E = \dfrac{1.5 \times 10^{-3}}{1.0 \times 10^{-6}}

E=1.5×103 N/CE = 1.5 \times 10^{3} \text{ N/C}
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