A Proton Is Accelerated from Rest Through a Potential Difference

question 21

Multiple Choice

A proton is accelerated from rest through a potential difference of 150 V. It then enters a region of uniform magnetic field and moves in a circular path (radius = 12 cm) . What is the magnitude of the magnetic field in this region?

• A) 18 mT
• B) 12 mT
• C) 15 mT
• D) 22 mT
• E) 10 mT

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Definitions:

Contributory Negligence

Contributory Negligence is a legal defense in tort law where the plaintiff's own negligence played a role in causing the harm and can limit or bar recovery from the defendant.

Assumption of Risk

A legal principle that a person who voluntarily engages in an activity is aware of and accepts the hazards associated with that activity.

Premises Liability

A legal principle that holds property owners and residents liable for accidents and injuries that occur on their property, depending on the legal status of the visitor.

Pure Contributory Negligence

A legal doctrine where a damaged party cannot recover any damages if they are found to be even slightly at fault.