1
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a region, the electric field is $30 \hat{\mathbf{i}}+40 \hat{\mathbf{j}} \mathrm{NC}^{-1}$, If the electric potential at the origin is zero. The electric potential at the point ( $1 \mathrm{~m}, 2 \mathrm{~m}$ ) is
A
-60 V
B
-75 V
C
-55 V
D
-110 V
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a potentiometer, the area of cross-section of the wire is $4 \mathrm{~cm}^2$. The current flowing in the circuit is 1 A and the potential gradient is $7.5 \mathrm{Vm}^{-1}$. Then, the resistivity of the potentiometer wire is
A
$3 \times 10^{-3} \mathbf{q}-\mathrm{m}$
B
$2 \times 10^{-6} \mathrm{Q}-\mathrm{m}$
C
$4 \times 10^{-2} \mathbf{Q}$-m
D
$5 \times 10^{-4} \Omega$-m
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Drift speed $v$ varies with the intensity of electric field $E$ as per the relation.
A
$v=E$
B
$v \propto \frac{1}{E}$
C
$v=E^2$
D
$v=E^{-2}$
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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