Electric Forces And Electric Fields (15)

14 Questions  I  By Locolais
Chapter 15 Physics - Multiple Choice

Changes are done, please start the quiz.

 1
 A. F/12
 B. F/3
 C. F/6
 D. 3F/4
 E. 3F/2
 2
 A. Increase masurably
 B. Increase by an amount to small to measure directly
 C. Stay unchanged
 D. Decrease by an amount to small to measure directly
 E. Decrease masurably
 3
 A. 1.0 N/C
 B. -1.0 N/C
 C. 0
 D. 0.25 N/C
 E. It varies
 4
 A. Repel
 B. Attract
 C. Attract or repel
 D. Exert no electrostatic force
 E. Charge insulator always spontaneously discharges
 5
 A. 0
 B. -560
 C. -340
 D. 260
 E. 170
 6 A very small ball has a mass of 5.0e-3 Kg and a charge of 4 uC. What magnitude electric field directed upward will balance the weight of the ball?
 A. 1.2e4 N/C
 B. 8.2e2 N/C
 C. 2.0e-2 N/C
 D. 5.1e6 N/C
 E. 3.7e3 N/C
 7 The magnitude of the electric force between two protons is 2.3e-26 N. how far apart are they?
 A. 0.10m
 B. 0.022m
 C. 3.1m
 D. 0.0057m
 E. 0.48m
 8
 A. 1.15
 B. -2.24
 C. 3.91
 D. -1.15
 E. 0.863
 9
 A. Upward and to the right
 B. To the right
 C. Downward
 D. Downward and to the left
 E. Field is zero at that point
 10
 A. 2.56 cm
 B. 5.12 cm
 C. 11.2 cm
 D. 3.34 m
 E. 4.24 m
 11
 A. It becomes larger
 B. It becomes smaller
 C. It stays the same
 D. It changes unpredictably
 E. It is zero
 12
 A. Near a long uniformly charge wire
 B. Above a large uniformly charged plane
 C. Inside a uniformly charged ball
 D. Outside a uniformy charged sphere
 E. Gauss law can be readily applied to find the electric field in all contexts
 13
 A. The density matter is too great
 B. The positive nuclei of your body repel the positive nuclei of the atoms of the ground
 C. The density of the ground is greater than the density of your body
 D. Atoms are bound together by chemical bonds
 E. Electrons on the ground's surface of your feet repel one another
 14 Estimate the magnitude of electric field strenght due to the proton of hydrogen atom at a distance of 5.39e-11m. The expected position of the electron in the atom.
 A. 10^-11 n/c
 B. 10^8 n/c
 C. 10^14 n/c
 D. 10^6 n/c
 E. 10^12 n/c
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