A Single Current-Carrying Circular Loop of Radius R Is Placed

question 89

Multiple Choice

A single current-carrying circular loop of radius R is placed next to a long, straight wire, as shown in the figure. The current I in the wire flows to the right. In which direction must current flow in the loop to produce a net magnetic field of zero at its center?

• A) counterclockwise
• B) clockwise
• C) It could be either clockwise or counterclockwise.
• D) The current in the loop should be zero.

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Definitions:

Sarcomeres

The basic contractile units of muscle fiber, responsible for muscle contraction.

Anaerobic Respiration

A type of respiration that occurs without the presence of oxygen, using compounds other than oxygen to react with glucose to produce energy.

Aerobic Respiration

A metabolic process that uses oxygen to generate ATP by breaking down glucose and other nutrients; it occurs in the mitochondria.

ATP

Adenosine triphosphate, commonly referred to as ATP, is vital for transferring energy in cells to power metabolic functions.