Two Parallel Wires Are Separated by 0 $\pi$ * 10 ^{- 7} T

question 37

Multiple Choice

Two parallel wires are separated by 0.25 m. Wire A carries 4.1 A and Wire B carries 10 A, both currents in the same direction. The magnetic permeability in empty space µ₀ = 4 $\pi$ * 10 ^{- 7} T.m/A. The magnitude of the force on 1.4 m of Wire A is:

• A) 2.6 * 10^-5 N.
• B) 4.6 * 10^-5 N.
• C) less than 1.0 * 10^-5 N.
• D) 3.2 *10^-5 N.

Learn to compute profit or loss from a sale price in retail settings.

Calculate the actual realized mark-up in special discount scenarios.

Know how to calculate profit or loss for discounted products.

Understand the concepts of mark-up, markdown, and break-even price in retail.

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