The force exerted on a current carrying wire placed in a magnetic field is zero when the angle between wire and the direction of magnetic field is________________
A. 45o
B. 60o
C. 90o
D. 180o
Answer:D
The force exerted on a current carrying wire placed in a magnetic field is zero when the angle between wire and the direction of magnetic field is________________
A. 45o B. 60o C. 90o D. 180o