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

# The magnetic moment of a current carrying loop is μ=6.25×10−4Am2 and a magnetic field of value 0.4 T is applied in upward direction perpendicular to the plane of loop.Find the potential energy of loop in magnetic field in joules. (The direction of current in loop is in clockwise direction.)−2.51×10−4J−1.25×10−4J2.51×10−4J1.25×10−4J

A
1.25×104J
B
2.51×104J
C
2.51×104J
D
1.25×104J
Solution
Verified by Toppr

#### As the direction of the current in the loop is clockwise, thus magnetic moment points in the downward direction.∴ Magnetic moment μ=6.25×10−4Am2 (downwards)Magnetic field B=0.4T (upwards)Potential energy of loop P.E=−μ.BAs μ and B are anti-parallel, thus μ.B=−μB⟹ P.E=μB∴ P.E=6.25×10−4×0.4=2.5×10−4 J

0
Similar Questions
Q1
The magnetic moment of a current carrying loop is μ=6.25×104Am2 and a magnetic field of value 0.4 T is applied in upward direction perpendicular to the plane of loop.Find the potential energy of loop in magnetic field in joules. (The direction of current in loop is in clockwise direction.)
View Solution
Q2
A current carrying loop of radius 2 cm has 4A current flowing in an anti-clockwise direction. The plane of the loop makes an angle of θ with the direction of the magnetic field which is in an upward direction. the value of the magnetic field is 0.7 Tesla.if potential energy of loop in magnetic field is 0.01 J, then value of θ is:
View Solution
Q3
Two current carrying loops of same area but of different materials have same current flowing in them in anti-clockwise direction. if a magnetic field is applied in upward direction then potential energy of loop 1 and loop 2 will always be:
View Solution
Q4
In a current carrying loop of area A a current I is flowing. loop is placed inside a magnetic field H in upward direction. Find the potential energy of current loop inside the magnetic filed.

View Solution
Q5
If the direction of the current changes in the current carrying loop placed in some magnetic field perpendicular to loop, then Potential energy of loop is not effected because current is a scalar quantity.Enter 1 if true and 0 if False.
View Solution