blue charge, Q = 7.9 C with mass M = 3.8 kg,  hangs from a red string of length 1.5 m as shown below.  With the mass stationary, the string makes an angle of θ = 41 degrees with respect to the horizontal when a red charge q1 is brought a horizontal distance 1.2 m away.  Determine the charge q1, in nC, necessary to do this

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A:

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A: Given values are - Surface charge density=2nCm2Radiusr=2m

Q: 4.0 cm -2.0 cm

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A:

Q: What will be the mobility of holes if the drift velocity of holes is 3 m/s and the applied electric…

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A:

Q: Two point charges +3 µC and -3 µC are being located at points (0,0,1) and (0,0, - 1) respectively.…

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A: The solution is given below

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Q: Problem 3: A semicircular ring of radius R and charge density pr is given. Calculate electric field…

A: The solution can be achieved as follows.

Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.