e. -4,000 uC 8. The number of electric field lines passing through a unit cross

Question

e. -4,000 uC 8. The number of electric field lines passing through a unit cross sectional area is indicative of a. field direction. b. charge density. c. field strength. d. charge motion. 9. A charge Q accumulates on the hollow metallic dome, of radius R, of a Van de Graaff generator. A probe measures the electric field strength at various points outside the sphere surface. By what factor will the electric field value at the 2R distance be changed if the charge value were increased to (9/7)0 97 c. 7/9 10. A proton initially moves left to right long the x axis at a speed of 4.00 x 103 m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.400 m before coming to rest. What acceleration magnitude does the proton experience? a. 4 x 103 m/s? b, 2 × 10' m/s* c, 1x10" mis d, 8 × 1011 m/s e. 8 x 108 m/s 2 11. Object A has a charge q on it, object B has a charge q on it, and object C has a charge 6q on it. These charges are

Explanation / Answer

1. the number of electric field lines passing through a unit cross sectional area is indicative of (c) field strength.

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