Magnetic Effects Of Current Question 387

Question: A wire ABCD is bent in the form shown here in the figure. Segments AB and CD are of length 1 m each while the semicircular loop is of radius 1 m. A current of 5 A flows from A towards the end D and the whole wire is placed in a magnetic field of 0.5 T directed out of the page. The force (in newton) acting on the wire is:

Solution:

Answer: 10