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26 December, 05:39

Calculate the force experienced by a positive test charge of 8.1 * 10-9 coulombs if the electric field strength is 9.4 * 107 newtons/coulomb.

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  1. 26 December, 07:48
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    We can answer this problem by dimensional analysis. As we can see, the units of the electric field strength is newtons per coulomb. If we multiply a value with units of coulomb we will obtain newtons which is a units of force.

    Force = 9.4x10^7 N / C (8.1 x10^-9 C)

    Force = 0.7614 N
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