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 byni(¯A×¯B)ni(¯A.¯B)i(¯A×¯B)ni(¯A.¯B)n

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

#### →τ=→M×→B=ni(→A×→B)(∵→M=ni→A)

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