1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Two long straight parallel wires $A$ and $B$ separated by 5 m carry currents 2 A and 6 A respectively in the same direction. The resultant magnetic field due to the two wires at a point of 2 m distance from the wire $A$ in between the two wires is
A
$2 \times 10^{-6} \mathrm{~T}$
B
$2 \times 10^{-7} \mathrm{~T}$
C
$4 \times 10^{-7} \mathrm{~T}$
D
$4 \times 10^{-6} \mathrm{~T}$
2
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A short bar magnet placed in a uniform magnetic field making an angle with the field experiences a torque.If the angle made by the magnet with field is changed from $30^{\circ}$ to $45^{\circ}$, the torque on the magnet
A
increases by $50 \%$
B
decreases by $50 \%$
C
decreases by $41.4 \%$
D
increases by $41.4 \%$
3
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The mutual inductance of two coils is 8 mH . The current in one coil changes according to the equation $I=12 \sin 100 t$, where $I$ is in ampere and $t$ is time in second. The maximum value of emf induced in the second coil is
A
9.6 V
B
4.8 V
C
3.2 V
D
12.8 V
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
An inductor of inductive reactance $R$, a capacitor of capacitive reactance $2 R$ and a resistor of resistance $R$ are connected in series to an AC source. The power factor of the series $L-C-R$ circuit is
A
$\frac{1}{\sqrt{2}}$
B
$\frac{1}{\sqrt{3}}$
C
$\frac{1}{4}$
D
$\frac{\sqrt{3}}{2}$
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