1
MHT CET 2026 16th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
A circular loop of radius R is carrying current I. The ratio of magnetic field at the center of circular loop and at a distance R from the center of the loop on its axis is
A
$1 : \sqrt{2}$
B
$1 : 3\sqrt{2}$
C
$\sqrt{8} : 1$
D
$3\sqrt{2} : 1$
2
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A wire carrying current 'I' along x axis has length 'L' and it is kept in a magnetic field $B(\hat{i}+2\hat{j}-2\hat{k})$ T. The magnitude of magnetic force acting on the wire is
A
$\sqrt{8}\,\text{ILB}$
B
$2\,\text{ILB}$
C
$4\,\text{ILB}$
D
$\sqrt{2}\,\text{ILB}$
3
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A charged particle is moving in a uniform magnetic field in a circular path of radius 'R'. When the energy of the particle becomes 3 times the original, the new radius will be
A
$R$
B
$3R$
C
$\sqrt{3}R$
D
$R/3$
4
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Torque acting on a coil carrying current 'I' situated parallel to magnetic field of induction 'B' having of turns 'n' and area 'A' is
A
$\text{nI}(\vec{A} \cdot \vec{B})$
B
$\text{nI}(\vec{A} \times \vec{B})$
C
$\text{IBA}/\text{n}$
D
$\text{nBA}/\text{I}$

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