A. Force Field (2 pts ea): Cirele the best answer below about the following scen

Question

A. Force Field (2 pts ea): Cirele the best answer below about the following scenario. 12 21 Two point charges are placed at a distance of r 0.50 m. 71 1) Which term best describes the interaction 2) If the charge of qi -2.0 AC, and g2 is double of the two charges? that of qi, what is Fu? a) 28.8 N b) 290 N c) 1.43 x 103 N d) 2.9 x 105 N -a) Attraction b) Conduction c) Induction d) Repulsion 3) How much net force (Fr) would be exerted on the point labeled A' by the two charges? 4) If an electric field vector line was drawn onto the picture, how would it appear? a) Arrow pointing due North b) Arrow pointing SW (downward to the left) c) Arrow pointing NE (upward to the right) d) No arrow (magnitude is zero) a) FT = F12-F21 b)Fr=F12 + F21 c) FT = F12 x F21 d) F1-F12 ÷ F21 5) What is the strength of the electric field if calculated from the position of g? (In this case the test charge'is qi) a) 71.9 N/C b) 3.6 x 104 NIC c) 7.2x 104 N/C d) 1.4 x 10 N/C

Explanation / Answer

1) a) attraction

2) a) 28.8 N

3) a) option

4) b) Arrow pointing SW.

5) d) 1.4*105 N/C.

B

1) E = flux / area = 900/(1.5*1.5) = 400 N/C.

from the opposite face is same as above i.e, E= 400 N/C.

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