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1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
When two coaxial coils having same current in same direction are brought to each other, then the value of current in both the coils
A
increases
B
decreases
C
remains same
D
increases in one coil and decreases in other coil
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A wire shaped in a regular hexagon of side 2 cm carries a current of 4 A . The magnetic field at the centre of hexagon is AP EAPCET 2024 - 19th May Evening Shift Physics - Moving Charges and Magnetism Question 9 English
A
$4 \sqrt{3} \times 10^{-5} \mathrm{~T}$
B
$8 \sqrt{3} \times 10^{-5} \mathrm{~T}$
C
$\sqrt{3} \times 10^{-5} \mathrm{~T}$
D
$6 \sqrt{3} \times 10^{-5} \mathrm{~T}$
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A tightly wound coil of 200 turns and of radius 20 cm carrying current 5 A . Magnetic field at the centre of the coil is
A
$3.14 \times 10^{-3} \mathrm{~T}$
B
$3.14 \times 10^{-2} \mathrm{~T}$
C
$628 \times 10^{-4} \mathrm{~T}$
D
$628 \times 10^{-3} \mathrm{~T}$
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A current carrying coil experiences a torque due to a magnetic field. The value of the torque is $80 \%$ of the maximum possible torque. The angle between the magnetic field and the normal to the plane of the coil is
A
$30^{\circ}$
B
$45^{\circ}$
C
$\tan ^{-1}\left(\frac{3}{4}\right)$
D
$\tan ^{-1}\left(\frac{4}{3}\right)$
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