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

Question

Physics

Stanley Schneider

10 August, 20:24

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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Caroline Grant · 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