A uniform magnetic field of 0.3; T is established along the positive Z -direction. A rectangular loop in XY plane of sides 10 ;cm and

Q: A uniform magnetic field of $0.3\; T$ is established along the positive $Z$ -direction. A rectangular loop in $XY$ plane of sides $10 \;cm$ and $5 \;cm$ carries a current of $I =12\; A$ as shown. The torque on the loop is

b $\vec{\tau}= NIA \times \overline{ B }$ Here $\overrightarrow{ A } \| \overrightarrow{ B }$ $\theta=0$ $\vec{\tau}= NIAB \sin \theta$ $\vec{\tau}=0$

SECTION - A [PHYSICS - MCQ]

GSEB - English Medium

A uniform magnetic field of $0.3\; T$ is established along the positive $Z$ -direction. A rectangular loop in $XY$ plane of sides $10 \;cm$ and $5 \;cm$ carries a current of $I =12\; A$ as shown. The torque on the loop is

A$-1.8 \times 10^{-2}$$\hat j\;Nm$
B$0$
C$-1.8 \times 10^{-2}$ $\hat i\;Nm$
D$+1.8 \times 10^{-2}$ $\hat i\;Nm$

NEET 2017, Medium

STD 11 Science
NEET
STD 12 - 4. Moving charges and magnetism
Physics

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