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Assignment help 6153

1.Three charges are positioned on a coordinate system. Charge 1 (+11?C) is at the origin. Charge 2 (+13?C) is at x = 0.1m and y = 0. Charge 3 (+15?C) is at x = 0.1m and y = 0.075 m. What are the horizontal and vertical components of the net electric force acting on Charge 3?

a. Fx = 73 N/and Fy = 400 N

b. Fx = 112 N and Fy = 187 N

c. Fx = 14 N and Fy = 98 N

d. Fx = 473 N and Fy = 53 N

e. Fx = 76 N and Fy = 370 N

2.Six identical resistors are connected in series with a battery. The number of joules per second supplied by the battery is then determined. If a seventh resistor is added (in series) the number of joules per second supplied by the battery:

a. increases

b. decreases

c. stays the same

d. changes, but may increase or decrease

3.Which of the following, if doubled, would have an effect on the current through a conductor?

a.The number density (n) of mobile charge carriers

b. The drift speed of the mobile charge carriers

c. The charge on the mobile charge carriers

d. All of the above

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