Charge Q Is Distributed Uniformly Throughout an Insulating Sphere of Radius

question 1

Multiple Choice

Charge Q is distributed uniformly throughout an insulating sphere of radius R.The magnitude of the electric field at a point R/2 from the center is:

• A)Q/4 \(\pi\) R²
• B)Q/ \(\pi\) R²
• C)3Q/4 \(\pi\) R²
• D)Q/8 \(\pi\) R²
• E)none of these

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Definitions:

Spindle-Shaped Cells

Cells that are tapered at both ends; commonly found in smooth muscle tissues where they help in contraction and relaxation activities.

Smooth Muscle

A type of muscle found in the walls of hollow organs like the intestines and blood vessels, characterized by its involuntary control and the ability to slowly contract and relax.

Skeletal Muscle

A type of striated muscle that is attached to bones and is under voluntary control, responsible for movement.

Cardiac Muscle

The specialized, striated muscle tissue found only in the heart, responsible for contracting and pumping blood throughout the body.