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19. A hydrogen nucleus, which has a charge e, is situated to the left of a carbon nucleus, which has a charge 6e. Which statement is true? A) The electrical force experienced by the hydrogen nucleus is to the right, and the magnitude is equal to the force exerted on the carbon nucleus. B) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is less than the force exerted on the carbon nucleus. C) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is equal to the force exerted on the carbon nucleus. D) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is greater than the force exerted on the carbon nucleus. 20. A charge of 2 nC is placed at the origin. A charge of 4nC is placed at x = 2.0 m. Calculate the net field at x = 1.0 m. A. 9 N/C (pointing left) B. 18 N/C (pointing left) C. 9 N/C (pointing right) D. 18 N/C (pointing right) E. 2 N/C (pointing left) 21. A charge of – 1 nC is placed at the origin. What is the electrostatic force (magnitude and direction) on a charge of + 1 nC placed at x = 1.0 m? A. 9 x 10^-9 N (pointing right) B. 9 x 10^-9 N (pointing left) C. 18 x 10^-9 N (pointing right) D. 18 x 10^-9 N (pointing left) E. Zero 22. The electric field at point P due to a point charge Q a distance R away has magnitude E. In order to double the magnitude of the field at P, you could A) double the charge to 2Q. B) reduce the distance to R/4. C) double the charge to 2Q and at the same time reduce the distance to R/2. D) double the distance to 2R. E) reduce the distance to R/2. 23. Two identically charged balls are a certain distance apart. The vectors in the figure show the magnitude and direction of the electrostatic force on each ball.

          19. A hydrogen nucleus, which has a charge e, is situated to the left of a carbon nucleus, which has a charge 6e. Which statement is true?

A) The electrical force experienced by the hydrogen nucleus is to the right, and the magnitude is equal to the force exerted on the carbon nucleus.
B) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is less than the force exerted on the carbon nucleus.
C) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is equal to the force exerted on the carbon nucleus.
D) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is greater than the force exerted on the carbon nucleus.
20. A charge of 2 nC is placed at the origin. A charge of 4nC is placed at x = 2.0 m. Calculate the net field at x = 1.0 m.
A. 9 N/C (pointing left)
B. 18 N/C (pointing left)
C. 9 N/C (pointing right)
D. 18 N/C (pointing right)
E. 2 N/C (pointing left)
21. A charge of – 1 nC is placed at the origin. What is the electrostatic force (magnitude and direction) on a charge of + 1 nC placed at x = 1.0 m?
A. 9 x 10^-9 N (pointing right)
B. 9 x 10^-9 N (pointing left)
C. 18 x 10^-9 N (pointing right)
D. 18 x 10^-9 N (pointing left)
E. Zero

22. The electric field at point P due to a point charge Q a distance R away has magnitude E. In order to double the magnitude of the field at P, you could

A) double the charge to 2Q.
B) reduce the distance to R/4.
C) double the charge to 2Q and at the same time reduce the distance to R/2.
D) double the distance to 2R.
E) reduce the distance to R/2.

23. Two identically charged balls are a certain distance apart. The vectors in the figure show the magnitude and direction of the electrostatic force on each ball.

19. A hydrogen nucleus, which has a charge e, is situated to the left of a carbon nucleus, which has a charge 6e. Which statement is true?

A) The electrical force experienced by the hydrogen nucleus is to the right, and the magnitude is equal to the force exerted on the carbon nucleus.
B) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is less than the force exerted on the carbon nucleus.
C) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is equal to the force exerted on the carbon nucleus.
D) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is greater than the force exerted on the carbon nucleus.
20. A charge of 2 nC is placed at the origin. A charge of 4nC is placed at x = 2.0 m. Calculate the net field at x = 1.0 m.
A. 9 N/C (pointing left)
B. 18 N/C (pointing left)
C. 9 N/C (pointing right)
D. 18 N/C (pointing right)
E. 2 N/C (pointing left)
21. A charge of – 1 nC is placed at the origin. What is the electrostatic force (magnitude and direction) on a charge of + 1 nC placed at x = 1.0 m?
A. 9 x 10^-9 N (pointing right)
B. 9 x 10^-9 N (pointing left)
C. 18 x 10^-9 N (pointing right)
D. 18 x 10^-9 N (pointing left)
E. Zero

22. The electric field at point P due to a point charge Q a distance R away has magnitude E. In order to double the magnitude of the field at P, you could

A) double the charge to 2Q.
B) reduce the distance to R/4.
C) double the charge to 2Q and at the same time reduce the distance to R/2.
D) double the distance to 2R.
E) reduce the distance to R/2.

23. Two identically charged balls are a certain distance apart. The vectors in the figure show the magnitude and direction of the electrostatic force on each ball.

Added by Diana O.

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