If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field

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Physics

Kathy Mccarty

Today, 16:09

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field

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Answers (1)

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Marcus Arias · Answer 1

B = 34.5T

Explanation:

Given E = 14.7V, L = 2.1cm = 0.021m, t = 6.50ms = 6.50*10-³s

A = L² = 0.021² = 4.41*10-⁴m²

ω = 2π/t = 2π / (6.50*10-³) = 966.64rad/s

E = ωBA

B = E/ωA = 14.7 / (966.64*4.41*10-⁴)

B = 34.5T