1
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The ratio of heat dissipated per second through the resistance $$5 \Omega$$ and $$10 \Omega$$ in the circuit given below is:

JEE Main 2024 (Online) 5th April Evening Shift Physics - Current Electricity Question 5 English

A
4 : 1
B
2 : 1
C
1 : 2
D
1 : 1
2
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A galvanometer of resistance $$100 \Omega$$ when connected in series with $$400 \Omega$$ measures a voltage of upto $$10 \mathrm{~V}$$. The value of resistance required to convert the galvanometer into ammeter to read upto $$10 \mathrm{~A}$$ is $$x \times 10^{-2} \Omega$$. The value of $$x$$ is :

A
2
B
20
C
800
D
200
3
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the given figure $$\mathrm{R}_1=10 \Omega, \mathrm{R}_2=8 \Omega, \mathrm{R}_3=4 \Omega$$ and $$\mathrm{R}_4=8 \Omega$$. Battery is ideal with emf $$12 \mathrm{~V}$$. Equivalent resistant of the circuit and current supplied by battery are respectively :

JEE Main 2024 (Online) 5th April Morning Shift Physics - Current Electricity Question 8 English

A
$$12 \Omega$$ and $$11.4 \mathrm{~A}$$
B
$$10.5 \Omega$$ and $$1.14 \mathrm{~A}$$
C
$$10.5 \Omega$$ and $$1 \mathrm{~A}$$
D
$$12 \Omega$$ and $$1 \mathrm{~A}$$
4
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

An electric bulb rated $$50 \mathrm{~W}-200 \mathrm{~V}$$ is connected across a $$100 \mathrm{~V}$$ supply. The power dissipation of the bulb is:

A
100 W
B
50 W
C
12.5 W
D
25 W
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