Ametallic sphere has a charge of 10 microcolumb. a unut negatuve charge is brought from a to b both 100 cm away from sphere but a being east of it while b being on west the net workdone is

The work done is, W = 0

Explanation:

Given,

The charge of the metallic sphere, Q = 10 μ C

The charge of the test charge, q = -1

The initial position of the unit charge, A = 100 cm

The final position of the unit charge, B = 100 cm

The work done by the unit charge is given by the equation

Where F is the force between two charges

Substituting in the above equation

On integrating for the limit A to B

Substituting the integral values

                                  V = 0

The work done by a unit charge on an electric field from A to B is the difference between the electric potential of the two locations. If the locations are at the same distance from the origin, the work done will be zero.

Hence, the work done by moving a unit negative charge from point A to B is, V = 0

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information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

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