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Magnetics question

2015 · Shift 0 · Q51

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JEE Main
Physics
Magnetics
2015 · Shift 0 · Q51

Magnetics question

2015 · Shift 0 · Q51

JEE MainPhysicsMagneticsMCQ+4 / −1

A rectangular loop of sides

10cm

and

5cm

carrying a current

1

of

12A

is placed in different orientations as shown in the figures below : JEE Main 2015 (Offline) Physics - Magnetic Effect of Current Question 189 English

JEE Main 2015 (Offline) Physics - Magnetic Effect of Current Question 189 English

If there is a uniform magnetic field of

0.3T

in the positive

z

direction, in which orientations the loop would be in

(i)

stable equilibrium and

(ii)

unstable equilibrium ?

A
$(B)$ and $(D)$ , respectively
B
$(B)$ and $(C)$ , respectively
C
$(A)$ and $(B)$ , respectively
D
$(A)$ and $(C)$ , respectively

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