0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

A rectangular loop carrying a current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by
  1. ni(¯AׯB)
  2. ni(¯A.¯B)
  3. i(¯AׯB)n
  4. i(¯A.¯B)n

A
i(¯AׯB)n
B
ni(¯A.¯B)
C
ni(¯AׯB)
D
i(¯A.¯B)n
Solution
Verified by Toppr

τ=M×B
=ni(A×B) (M=niA)

Was this answer helpful?
1
Similar Questions
Q1
A rectangular loop carrying a current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by
View Solution
Q2
A current-carrying loop is placed in a uniform magnetic field. The torque acting on it depends upon
View Solution
Q3
A loop is formed by joining two semicircular wires of radii R1 and R2 carrying a current as shown in the figure. The current in the loop is I and is placed in the uniform magnetic field B which is parallel to the plane of loop. What will be the torque acting on the loop.


View Solution
Q4
A current carrying loop is placed in a uniform magnetic field. The torque acting on it does depend upon
View Solution
Q5

A plane square loop PQRS of side 'a' made of thin copper wire has 'n' turns and it carries a direct current 'I' ampere in the direction shown in the adjoining figure. This wire loop is placed in a magnetic field of flux density 'B' tesla, which is directed perpendicularly in to the plane of the loop. What is the torque acting on the loop?


View Solution