The Electric Field at Point a Is Zero

question 91

Multiple Choice

The electric field at point A is zero. What is charge Q₁?

• A) +32 μC
• B) -32 μC
• C) The field cannot be zero at A for any value of Q₁.
• D) +16 μC
• E) -16 μC

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Definitions:

Biceps Femoris

A muscle of the thigh that is part of the hamstring group, involved in knee flexion and thigh extension.

Popliteus

A small muscle located at the back of the knee joint, critical for unlocking the knee from a fully extended position.

Phalanges

The bones in the fingers and toes of the human body, essential for the movement of the digits.

Flexor Hallucis Longus

A muscle in the lower leg that flexes the big toe and plays a key role in maintaining balance while standing and walking.