You conduct two experiments to test the magnitude and direction of an electric f

Question

You conduct two experiments to test the magnitude and direction of an electric field. The experiment is conducted by placing charged metal spheres in the electric field and measuring magnitude and direction of the electric force exerted on the spheres. (a) A sphere with a charge of +20.1 µC is placed in an electric field. The measured magnitude and direction of the electric force is 44.3 µN, due east. The electric field has what magnitude and direction? magnitude N/C direction (b) The second sphere has a charge of 10.3 µC and is placed in an electric field. You find that the electric force on the sphere is 21.7 µN, due west. The electric field has what magnitude and direction? magnitude N/C direction

Explanation / Answer

part a )

F = qE

E = F/q = 2.2 N/C

direction will be in the force direction

part b )

E = F/q = -2.1 N/C due to west

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