One end of a simple rectangular wire-loop current balance is inserted into a solenoid. A force of
3.0×10−3N
is found to act on this end when a current of 2.0A is flowing in it. If the length of the conductor forming the end of the the wire-loop is 0.10m. What is the magnetic flux density in the solenoid?
a. 0.043T
b. 0.26T
c. 0.43T
d. 0.015T
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