Solve it correctly please. I ll rate A- The electric field 13.0 cm from the surface of a copper ball ofradius 2.0 cm is directed toward the ball's center and hasmagnitude 3.0 X 102 N/C. How much charge is on the surface ofthe ball (in C)? (Include the sign of the value in your answer.) C

Electric field- The force at a unit charge particle which is positively charged at a particular…

Answered: electric field

Engineering

Electrical Engineering

electric field

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter3: Static Electricity

Section: Chapter Questions

Problem 3RQ: Why do static charges accumulate on insulator materials only?

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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

Solve it correctly please. I ll rate

A- The electric field 13.0 cm from the surface of a copper ball of
radius 2.0 cm is directed toward the ball's center and has
magnitude 3.0 X 102 N/C. How much charge is on the surface of
the ball (in C)? (Include the sign of the value in your answer.) C

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