A 100 NC Charge Is Placed on the X-Axis at X

question 13

Multiple Choice

A 1.00 nC charge is placed on the x-axis at x = −1.00 m. A second 1.00 nC charge is placed on the x-axis at x = 1.00 m. A third charge of 1.00 nC is placed on the y-axis at y = −1.00 m. A fourth charge is place on the y-axis at y = 1.00 m. What is the fourth charge if the electric field at the origin is zero?

• A) 1.00 nC
• B) −1.00 nC
• C) 3.00 nC
• D) −3.00 nC
• E) 2.00 nC

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Definitions:

Method

A systematic plan, procedure, or technique used to accomplish a specific task or solve a particular problem.

Method of Agreement

A principle in inductive reasoning that identifies a cause of a phenomenon by finding common factors in different instances where the phenomenon occurs.

Cause

The source or reason something happens, leading to a particular effect or outcome.

Method of Residues

A technique in scientific and logical analysis where elements accounted for by existing explanations are removed to isolate the effect of a single factor.