COMEDK 2025 Evening Shift | Current Electricity Question 1 | Physics

A galvanometer having a resistance of $50 \Omega$ is shunted by a wire of resistance $10 \Omega$. If the total current is 2 A , the current passing through the shunt is:

$\frac{3}{5} \mathrm{~A}$

$\frac{2}{5} \mathrm{~A}$

$\frac{5}{6} \mathrm{~A}$

$\frac{5}{3} \mathrm{~A}$

COMEDK 2025 Evening Shift

MCQ (Single Correct Answer)

-0

The power dissipated across the $16 \Omega$ resistor in the circuit is 2 watts. The power dissipated in watt units across the $4 \Omega$ resistor is:

COMEDK 2025 Evening Shift Physics - Current Electricity Question 3 English

2.38 W

0.64 W

1.28 W

4.28 W

COMEDK 2025 Evening Shift

MCQ (Single Correct Answer)

-0

The net resistance between the points A and B in the circuit given below is:

COMEDK 2025 Evening Shift Physics - Current Electricity Question 2 English

$\frac{8}{3} \mathrm{R}$

$\frac{8}{5} R$

$R$

$\frac{5}{3} \mathrm{R}$

COMEDK 2025 Evening Shift

MCQ (Single Correct Answer)

-0

A student measures the terminal potential difference $V$ of a cell of emf $\varepsilon$ and internal resistance $r$ as a function of the current I flowing through it. Which of the following graphs will give the values of emf $\varepsilon$ and internal resistance $r$ ?

COMEDK 2025 Evening Shift Physics - Current Electricity Question 1 English

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