A long straight wire carrying a current of 10A is placed inside a magnetic field B=(0.2i+0.4j) at an angle of 30deg . How much force is exerted on 2m length of the wire?
a. 2.15N
b. 2.20N
c. 2.23N
d. 4.4N
12.A long straight wire carrying a current of 10 A is placed inside a magnetic field B=0.2 i+0.4 j at an angle of 30.How much force is exerted on 2 m length of the wire (4)
a.2.15N
b.2.20N
c.2.23N
d.4.4N