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Question

Question: The number of electric lines of force that radiate outwards from one coulomb of charge in vacuum is...

The number of electric lines of force that radiate outwards from one coulomb of charge in vacuum is

A

1.13×10111.13 \times 10^{11}

B

1.13×10101.13 \times 10^{10}

C

0.61×10110.61 \times 10^{11}

D

0.61×1090.61 \times 10^{9}

Answer

1.13×10111.13 \times 10^{11}

Explanation

Solution

: Here, q=1C,ε0=8.85×1012C2N1m2q = 1C,\varepsilon_{0} = 8.85 \times 10^{- 12}C^{2}N^{- 1}m^{- 2}

Number of lines of force = Electric force

=qεo=18.85×1012= \frac{q}{\varepsilon_{o}} = \frac{1}{8.85 \times 10^{- 12}}

=1.13×1011= 1.13 \times 10^{11}