Electric Fields with Calculus Video Lessons

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Problem: The electric potential along the x-axis is V=100e-2x mV, where x is in meters.Part AWhat is Ex at x=1.0m?Express your answer as an integer and include the appropriate units.Part BWhat is Ex at x=2.4m?Express your answer to two significant figures and include the appropriate units.

FREE Expert Solution

Electric field E:

E=-dVdx

Substituting:

E(x)=-100d(e-2xmV)dx=200e-2x

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Problem Details

The electric potential along the x-axis is V=100e-2x mV, where x is in meters.

Part A

What is Ex at x=1.0m?

Express your answer as an integer and include the appropriate units.


Part B

What is Ex at x=2.4m?

Express your answer to two significant figures and include the appropriate units.

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