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What are the sign and magnitude in coulombs of a point charge that produces a potential of -3.50 V at a distance of 2.00 mm

Sagot :

The magnitude and sign of the charge are 0.8 MC and negative respectively.

To find the answer, we need to know about the electric potential of a point charge.

What's the mathematical expression of the electric potential of a point charge?

  • Mathematically, the electric potential at a distance 'r' from a point charge 'q' is given as (Kq)/r.
  • K is the electrical constant with value 9×10^(-9) in vaccum.

What will be the magnitude and sign of a charge, if potential is -3.50V at 2mm?

From the expression of electric potential, charge is

q= (potential ×r)/K

= (-3.5×0.002)/ (9×10^(-9))

= -0.8 mega coulomb.

Thus, we can conclude that the magnitude and sign of the charge are 0.8 MC and negative respectively.

Learn more about the electric potential here:

brainly.com/question/14306881

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