A charge 50 µc has electric field strength of 360 NC-1 at a certain point. The electric field strength due to another charge 120 µc kept at the same distanc...

Assessment: JAMB UTME - Physics - 2007 Subject: Physics

Question 1 Report

A charge 50 µc has electric field strength of 360 NC-1 at a certain point. The electric field strength due to another charge 120 µc kept at the same distance apart and in the same medium is?

864 NC-1

150 NC-1

144 NC-1

18 NC-1

Answer Details

E =

\frac{F}{q}

and Q1 = 50μF, E1 = 360μF, E2 = ?, Q2 = 120μF
Using E =

\frac{F}{q}

.
So we have F = Q

\times

E
F = 50

\times

^{- 6}

\times

360 = 0.018N
When E2 = F/q

\frac{0.018}{120 \times 10^{- 6}}

= 150NC

^{- 1}

Read lesson note on Electric Field (WAEC)

Read lesson note on Electromagnetic Field (Part 2) (WAEC)

Electric Field

Electromagnetic Field (Part 2)

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A charge 50 µc has electric field strength of 360 NC-1 at a certain point. The electric field strength due to another charge 120 µc kept at the same distanc...

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