A 20-Cm Length of Wire Is Held Along an East-West $\mu$

question 5

Multiple Choice

A 20-cm length of wire is held along an east-west direction and moved horizontally to the north with a speed of 3.0 m/s in a region where the magnetic field of the Earth is 60 $\mu$ T directed 30 $\degree$ below the horizontal.What is the magnitude of the potential difference between the ends of the wire?

• A)36 \(\mu\)V
• B)18\(\mu\)V
• C)31 \(\mu\)V
• D)24 \(\mu\)V
• E)21 \(\mu\)V

---

Definitions:

Contact Precautions

Precautions taken to prevent the possibility of illnesses easily transmitted by direct contact.

Intramuscular Injection

A method of administering medication deep into the muscles, allowing for faster absorption than subcutaneous injections.

Aspirating

The act of drawing in or out using a sucking motion, specifically referring to the withdrawal of fluid or air from the body, often using a syringe or similar device.

Syringe Barrel

A component of a syringe that holds the fluid to be injected or drawn up, typically calibrated for measuring doses.