Physics2(Electricity and Magnetism)Subjects:-Faraday’s Law-Inductance-Alternating-Current Circuits 14)yBX X X X XX X X XXX X XX XX X X XX X X XX \X X XхаA thin, smooth rod with a mass of 0.012 kg and a length of 70 cm is attached tothe base by a frictionless hinge at point a. The bar is in a uniform magnetic fieldgiven as B = 0,35 T towards the plane of the page. What is the value of thecurrent flowing in Amperes when the bar makes an angle of 30° with thehorizontal? Take g=10 m/s?; sin 30° = cos60° = 0,5; sin60° = cos30° = V3/2a) I = 2,31 b) I = 1,30 c) I = 8,31 × 10-1d) I = 5,77 x 10-1 e) I = 4,24 × 10-1

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Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Inductance

Section: Chapter Questions

Problem 51CP

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Question

Physics2(Electricity and Magnetism)

Subjects:

-Faraday’s Law

-Inductance

-Alternating-Current Circuits

14)
y
B
X X X X X
X X X XX
X X XX X
X X X X
X X X X
X \X X X
х
а
A thin, smooth rod with a mass of 0.012 kg and a length of 70 cm is attached to
the base by a frictionless hinge at point a. The bar is in a uniform magnetic field
given as B = 0,35 T towards the plane of the page. What is the value of the
current flowing in Amperes when the bar makes an angle of 30° with the
horizontal? Take g=10 m/s?; sin 30° = cos60° = 0,5; sin60° = cos30° = V3/2
a) I = 2,31 b) I = 1,30 c) I = 8,31 × 10-1
d) I = 5,77 x 10-1 e) I = 4,24 × 10-1

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