1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A charge $q$ is spread uniformly over an isolated ring $R$. The ring is rotated about its natural axis with angular speed $\omega$. The magnetic dipole moment of the ring is
A
$\frac{q \omega R}{2}$
B
$q \omega R^2$
C
$\frac{q w R^2}{2}$
D
$\frac{q \omega}{2 R}$
2
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Current flows in a conductor from east to west. The direction of the magnetic field at a point below the conductor is towards
A
north
B
south
C
east
D
west
3
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Two infinite length wires carry currents 8 A and $6^{\mathrm{A}}$ respectively and are placed along $X$ and $Y$-axes respectively. Magnetic field at a point $P(0,0, C)$ will
A
$\frac{7 \mu_0}{\pi d}$
B
$\frac{10 \mu_0}{\pi d}$
C
$\frac{14 \mu_0}{\pi d}$
D
$\frac{5 \mu}{\pi d}$
4
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A short magnet oscillates with a time period 0.1 s at a place where horizontal magnetic field is $24 \mu \mathrm{~T}$. A downward current of 18 A is established in a vertical wire kept at a distance of 20 cm east of the magnet. The new time period of oscillations of the magnet is
A
0.1 s
B
0.089 s
C
0.076 s
D
0.057 s
AP EAPCET Subjects
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