1
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a potentiometer experiment, a wire of length 10 m and resistance $5 \Omega$ is connected to a cell of emf 2.2 V . If the potential difference between two points separated by a distance of 660 cm on potentiometer wire is 1.1 V , then the internal resistance of the cell is

A

$1.6 \Omega$

B

$1.4 \Omega$

C

$1.2 \Omega$

D

$1 \Omega$

2
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When the right gap of a metre bridge consists of two equal resistors in series, the balancing point is at 50 cm . When one of the resisters in the right gap is removed and is connected in parallel to the resistor in the left gap, the balancing point is at

A

60 cm

B

33.3 cm

C

25 cm

D

40 cm

3
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two identical wires, carrying equal currents are bent into circular coils $A$ and $B$ with 2 and 3 turns respectively. The ratio of the magnetic fields at the centres of the coils $A$ and $B$ is

A

$4: 9$

B

$2: 3$

C

$9: 4$

D

$3: 2$

4
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A current of 4 A is passed through a square loop of side 5 cm made of a uniform manganin wire as shown in the figure. The magnetic field at the centre of the loop is

TG EAPCET 2025 (Online) 2nd May Evening Shift Physics - Moving Charges and Magnetism Question 41 English
A

$\frac{24 \sqrt{2}}{5} \times 10^{-5} \mathrm{~T}$

B

$\frac{3 \sqrt{2}}{5} \times 10^{-5} \mathrm{~T}$

C

$\frac{6 \sqrt{2}}{5} \times 10^{-5} \mathrm{~T}$

D

zero

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