QUESTION 2 a) Two metal spheres on insulated stands carry...

QUESTION 2 a) Two metal spheres on insulated stands carry charges of \( +4 \mu \mathrm{C} \) and \( -6 \mu \mathrm{C} \) respectively. The spheres are arranged with their centres 50 cm apait, as shown in Figure 2,1 Figure 2.1 i) Define an electric tield at a paith in space [2] Phint 3 wis

1) A small object of mass 3.8 g and charge 15 mC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What is the magnitude and direction of the electric field? 2) Two small identical conducting spheres are placed with their centers 0.3 m apart. One is given a charge of 10 * 10^-9 C, the other a charge of -18 * 10^-9 C. (a) Find the electrostatic force exerted on one sphere by the other. (b) The spheres are connected by a conducting wire. Find the electrostatic force between the two after equilibrium is reached, where both spheres have the same charge. 3) An electric field of magnitude 3.25 * 10^5 N/C points due south at a certain location. (a) Find the magnitude of the force on a +6 mC charge at this location. (b) Find the direction of the force on a +6 mC charge at this location.

Timothy J.

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QUESTION 2 a) Two metal spheres on insulated stands carry charges of \( +4 \mu \mathrm{C} \) and \( -6 \mu \mathrm{C} \) respectively. The spheres are arranged with their centres 50 cm apait, as shown in Figure 2,1 Figure 2.1 i) Define an electric tield at a paith in space [2] Phint 3 wis

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