15. If the work required to move a +0.25 C charge from point A to point B is 175

Question

15. If the work required to move a +0.25 C charge from point A to point B is 175 J, what is the potential difference between the two points? A) zero volts B) 44 V C) 88 V D) 350 V E) 700 V (For questions 16, 17) Two point charges are held at the comers of a rectangle as shown figure. The lengths of sides of the rectan potential is defined to be zero at infinity gle are 0.050 m and 0.150 m. Assume that the electric BL--+20 C 16. What is the potential difference. VN-VA. between corners A and B? A)-8.4 × 105 V B) -7.8 x 105 v C)-7.2× 105 V D) -6.0 x 10s v E) zero volts 17. What is the electric potential energy of a +3.0 JC charge placed at corner A? A) 0.10J B) 0.18J C) 2.3J D) 3.6J E) zero joules (For questions 18, 19) Two charges of opposite sign and equal magnitude 2.0 m apart as shown in the figure. 0.82 C are held +0 1.0 m 4.0m 1.0 m 4.0m -0 18. Determine the electric potential at the point P A) 1.1 x 10 v

Explanation / Answer

Q15.
Equation: V=E/Q
where E = work done
Q = charge

V = 175 / 0.25

= 700 V

Therefore E) 700V is the correct answer.

Pls post other questions separately.

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