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AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a circuit the current falls from a 14 A to 4 A in a time 0.2 ms . If the induced emf is 150 V , then the self-inductance of the circuit is
A
6 H
B
6 mH
C
3 mH
D
3 H
2
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A metallic wire loop of side $(l) 0.1 \mathrm{~m}$ and resistance of $1 \Omega$ is moved with a constant velocity in a uniform magnetic field of $2 \mathrm{Wm}^{-2}$ as shown in the figure. The magnetic field is perpendicular to the plane of the loop. The loop is connected to a network of resistors. The velocity of loop, so as to have a steady current of 1 mA in loop is

AP EAPCET 2024 - 22th May Evening Shift Physics - Electromagnetic Induction Question 2 English
A
$0.67 \mathrm{~cm} \mathrm{~s}^{-1}$
B
$2 \mathrm{~cm} \mathrm{~s}^{-1}$
C
$3 \mathrm{~cm} \mathrm{~s}^{-1}$
D
$4 \mathrm{~cm} \mathrm{~s}^{-1}$
3
AP EAPCET 2024 - 22th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A coil of inductance $L$ is divided into 6 equal parts. All these are connected in parallel. The resultant inductance of this combination is

A
$\frac{L}{6}$
B
$\frac{L}{36}$
C
$\frac{L}{24}$
D
6 L
4
AP EAPCET 2024 - 21th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The current passing through a coil of 120 turns and inductance 40 mH is 30 mA . The magnetic flux linked with the coil is
A
$20 \times 10^{-6} \mathrm{~Wb}$
B
$5 \times 10^{-6} \mathrm{~Wb}$
C
$12 \times 10^{-6} \mathrm{~Wb}$
D
$10 \times 10^{-6} \mathrm{~Wb}$
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