1
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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

A
2$$\Omega$$
B
4$$\Omega$$
C
6$$\Omega$$
D
8$$\Omega$$
2
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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 :

A
0.033 $$^\circ$$C$$-$$1
B
$$-$$0.033 $$^\circ$$C$$-$$1
C
0.011 $$^\circ$$C$$-$$1
D
0.055 $$^\circ$$C$$-$$1
3
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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

A
0.1%
B
10%
C
25%
D
0.25%
4
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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 127 English

A
65$$\Omega$$
B
20$$\Omega$$
C
5$$\Omega$$
D
2$$\Omega$$
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