A Non-Conducting Pipe Has a Uniform Charge Density of 50 $\times$

question 34

Multiple Choice

A non-conducting pipe has a uniform charge density of 50 C/m³.The inner radius of the pipe is 25 cm,while the outer radius is 35 cm.Calculate the magnitude of the electric field at r = 40 cm.

• A)6.8 \(\times\) 10¹¹ N/C
• B)8.5 \(\times\) 10¹¹ N/C
• C)4.2 \(\times\) 10¹¹ N/C
• D)1.3 \(\times\) 10¹¹ N/C
• E)8.7 \(\times\) 10¹⁰ N/C

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Definitions:

Data Collection

The process of gathering and measuring information on variables of interest in a systematic fashion.

Random Assignment

A method used in experiments to assign subjects randomly to either the treatment or control group to eliminate bias.

Independent Variable

The factor in an experiment that is deliberately changed or manipulated to observe its effect on a dependent variable.

Equal Chance

A principle whereby each subject or experimental unit in a study has the same probability of being assigned to a particular group or condition.