JEE Main 2022 (Online) 29th June Evening Shift | Current Electricity Question 143 | Physics

The combination of two identical cells, whether connected in series or parallel combination provides the same current through an external resistance of 2$$\Omega$$. The value of internal resistance of each cell is

2$$\Omega$$

4$$\Omega$$

6$$\Omega$$

8$$\Omega$$

JEE Main 2022 (Online) 28th June Evening Shift

MCQ (Single Correct Answer)

-1

Resistance of the wire is measured as 2 $$\Omega$$ and 3 $$\Omega$$ at 10$$^\circ$$C and 30$$^\circ$$C respectively. Temperature co-efficient of resistance of the material of the wire is :

0.033 $$^\circ$$C^$$-$$1

$$-$$0.033 $$^\circ$$C^$$-$$1

0.011 $$^\circ$$C^$$-$$1

0.055 $$^\circ$$C^$$-$$1

JEE Main 2022 (Online) 27th June Morning Shift

MCQ (Single Correct Answer)

-1

A 72 $$\Omega$$ galvanometer is shunted by a resistance of 8 $$\Omega$$. The percentage of the total current which passes through the galvanometer is :

0.1%

10%

25%

0.25%

JEE Main 2022 (Online) 26th June Evening Shift

MCQ (Single Correct Answer)

-1

The equivalent resistance between points A and B in the given network is :

JEE Main 2022 (Online) 26th June Evening Shift Physics - Current Electricity Question 154 English