y 2a 2а 2a За. За 8a A part of wire with length 4a was taken out from the middle part of the upper side of rectangular loop consisting of conducting wires with lengths 3a and 8a in the short and long sides, respectively, and then, in the place of that part, a semicircular conducting wire of radius 2a was connected. The constructed closed loop carries a constant current I in the direction as shown in the figure. What is the magnetic ield vector at point O? (n = 3).

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter29: Dc Generators
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Problem 5RQ: What are interpoles, and what is their purpose?
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y
2a
2a
2a
За
За
8a
A part of wire with length 4a was taken out from the middle part of the upper side
of rectangular loop consisting of conducting wires with lengths 3a and 8a in the
short and long sides, respectively, and then, in the place of that part, a semicircular
conducting wire of radius 2a was connected. The constructed closed loop carries
a constant current I in the direction as shown in the figure. What is the magnetic
field vector at point O? (A = 3).
a) –0.164 o! k b) –0.185 4o! k c) 0.174 o! k d) 0.189 ol k
a
e) –0.194
Ho!
a
Transcribed Image Text:y 2a 2a 2a За За 8a A part of wire with length 4a was taken out from the middle part of the upper side of rectangular loop consisting of conducting wires with lengths 3a and 8a in the short and long sides, respectively, and then, in the place of that part, a semicircular conducting wire of radius 2a was connected. The constructed closed loop carries a constant current I in the direction as shown in the figure. What is the magnetic field vector at point O? (A = 3). a) –0.164 o! k b) –0.185 4o! k c) 0.174 o! k d) 0.189 ol k a e) –0.194 Ho! a
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