TS EAMCET 2023 (Online) 12th May Evening Shift | Current Electricity Question 11 | Physics

A potentiometer balances at 44 cm when a cell of internal resistance $1 \Omega$ is in the secondary circuit. To obtains the balancing point at 40 cm , the resistance to be connected parallel to cell is

$20 \Omega$

$10 \Omega$

$30 \Omega$

$5 \Omega$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

Two wires made of the same material have lengths in the ratio $2: 3$ and radii in the ratio $8: 9$. If the same potential difference is applied across the ends of the wires, the ratio of the electric currents flowing through them is

$5: 6$

$6: 5$

$4: 3$

$32: 27$

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

When a potentiometer is connected between the points $A$ and $B$ as shown in the circuit, balance point is obtained at 64 cm . When it is connected between $A$ and $C$, the balance point is 8 cm . If the potentiometer is connected between $B$ and $C$ the balance point will be TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Current Electricity Question 3 English

TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Current Electricity Question 3 English

8 cm

56 cm

64 cm

72 cm

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

In the given part of a circuit, the potential at point $B$ is zero. Then, the potentials at $A$ and $C$ respectively, are TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Current Electricity Question 4 English

TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Current Electricity Question 4 English

$-1.5 \mathrm{~V},+2 \mathrm{~V}$

$+1.5 \mathrm{~V},+2 \mathrm{~V}$

$+1.5 \mathrm{~V},+0.5 \mathrm{~V}$

$+1.5 \mathrm{~V},-0.5 \mathrm{~V}$

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