Two Long Parallel Wires Carry Currents of 20 a and 5.0

question 33

Multiple Choice

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions.The wires are separated by 0.20 m.What is the strength of the magnetic field midway between the two wires? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)1.0 × 10^-5 T
• B)2.0 × 10^-5 T
• C)3.0 × 10^-5 T
• D)4.0 × 10^-5 T
• E)5.0 × 10^-5 T

---

Definitions:

Communicate

The process of sharing or exchanging information, feelings, or ideas through speech, writing, gestures, or other means.

Shaping

A method of teaching new behaviors by using reinforcement until the target behavior is achieved, often through successive approximations.

Partial Reinforcement

A conditioning process in which a reward is not administered every time the desired action is performed, leading to more resistant behavior to extinction.

Classroom Answers

Refers to responses given by students or participants in an educational setting, usually in response to questions posed by teachers or instructors.