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Wire 1 Has a Semicircular Section of Radius R Followed

Question 33

Multiple Choice

Wire 1 has a semicircular section of radius R followed by a straight section of length R as shown in the figure,and carries a current I1.Wire 2,which is perpendicular to the page,carries a current I2,where I2 flows out of the page.If R is doubled,by what factor will the magnitude of the magnetic force on wire 1 due to the magnetic field created by wire 2 change? Wire 1 has a semicircular section of radius R followed by a straight section of length R as shown in the figure,and carries a current I<sub>1</sub>.Wire 2,which is perpendicular to the page,carries a current I<sub>2</sub>,where I<sub>2</sub> flows out of the page.If R is doubled,by what factor will the magnitude of the magnetic force on wire 1 due to the magnetic field created by wire 2 change? A) 2 B) 1 C) 0.5 D) 4


A) 2
B) 1
C) 0.5
D) 4

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