Question

# A circular loop of area 1 cm2, carrying a current of 10A, is placed in a magnetic field of 0.1T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is?

A
Zero
B
104N-m
C
102N-m
D
1N-m
Solution
Verified by Toppr

#### As Torque is given byT=NBiAsinθArea =1cm2Current =10AMagnetic field =0.1Tθ=0T=1×10×0.1×sin0 =1×0T=0

0
Similar Questions
Q1

A wire 40 cm long carries a current of 20 A. It is bent into a loop and placed with its plane perpendicular to a magnetic field having a flux density of 0.52 T. What is the torque on the loop if it is bent into a square.

View Solution
Q2

A current loop of area 0.01 m2 and carrying a current of 10 amp is held perpendicular to magnetic field of induction of 0.1 tesla. The torque acting on the loop is

View Solution
Q3

In the figure shown a semi-circular wire loop is placed in uniform field of 1T. The plane of the loop is perpendicular to the field. The magnetic force on the loop is

View Solution
Q4

A circular loop of area 1 cm2, carrying a current of 10 A, is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is
(a) zero
(b) 10−4 N m
(c) 10−2 N m
(d) 1 N m

View Solution
Q5

A circular loop of area 0.02 m2 carrying a current of 10A, is held with its plane perpendicular to a magnetic field induction 0.2 T. The torque acting on the loop is

View Solution
Solve
Guides