1. Two positive point charges (g1, and g2) are separated at a distance of 40nm as shown in the table. For what values of the charges, coulomb force between them is maximum. No. q1 q2 1 Q/2 Q/2 2 3Q/4 5Q/4 3 5Q/6 Q/6 4 20/6 30/6

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1. Two positive point charges (q1, and q2) are separated at a distance of 40nm as shown in the table. For what values of the charges, coulomb force between them is maximum.
No.
q1
q2
1
Q/2
Q/2
2
30/4
5Q/4
3
50/6
Q/6
4
20/6
30/6
Answer :
(1 mark)
2. Three charges are arranged as shown in Figure. Find the magnitude and direction of the electrostatic force on the charge at the origin. [ Given Data Coulomb's constant, K. = 8.99X10° Nm?/c]
q2
6.00nC
3.00nC
0.250m
91
0.150m
-2.00nC
q3
1. The electrostatic force F12 calculated (between q2 and q1)from the above diagram is =
2. The electrostatic force F23 calculated (between q2 and q3)from the above diagram is =
3. The Magnitude of the resultant force on q2 measured from the above diagram is =
4. The resultant direction e measured from the -x axis is =
degrees
Transcribed Image Text:1. Two positive point charges (q1, and q2) are separated at a distance of 40nm as shown in the table. For what values of the charges, coulomb force between them is maximum. No. q1 q2 1 Q/2 Q/2 2 30/4 5Q/4 3 50/6 Q/6 4 20/6 30/6 Answer : (1 mark) 2. Three charges are arranged as shown in Figure. Find the magnitude and direction of the electrostatic force on the charge at the origin. [ Given Data Coulomb's constant, K. = 8.99X10° Nm?/c] q2 6.00nC 3.00nC 0.250m 91 0.150m -2.00nC q3 1. The electrostatic force F12 calculated (between q2 and q1)from the above diagram is = 2. The electrostatic force F23 calculated (between q2 and q3)from the above diagram is = 3. The Magnitude of the resultant force on q2 measured from the above diagram is = 4. The resultant direction e measured from the -x axis is = degrees
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