1
JEE Main 2025 (Online) 7th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A wire of resistance $R$ is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between points $A$ and $B$ is $R / n$. The value of $n$ is :

JEE Main 2025 (Online) 7th April Morning Shift Physics - Current Electricity Question 8 English

A
16
B
10
C
12
D
14
2
JEE Main 2025 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

There are ' $n$ ' number of identical electric bulbs, each is designed to draw a power $p$ independently from the mains supply. They are now joined in series across the mains supply. The total power drawn by the combination is :

A
np
B
p
C
$\frac{\mathrm{p}}{\mathrm{n}^2}$
D
$\frac{p}{n}$
3
JEE Main 2025 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

From the combination of resistors with resistances values $R_1=R_2=R_3=5 \Omega$ and $R_4=10 \Omega$, which of the following combination is the best circuit to get an equivalent resistance of $6 \Omega$ ?

A
JEE Main 2025 (Online) 4th April Evening Shift Physics - Current Electricity Question 4 English Option 1
B
JEE Main 2025 (Online) 4th April Evening Shift Physics - Current Electricity Question 4 English Option 2
C
JEE Main 2025 (Online) 4th April Evening Shift Physics - Current Electricity Question 4 English Option 3
D
JEE Main 2025 (Online) 4th April Evening Shift Physics - Current Electricity Question 4 English Option 4
4
JEE Main 2025 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Current passing through a wire as function of time is given as $I(t)=0.02 t+0.01 \mathrm{~A}$. The charge that will flow through the wire from $t=1 \mathrm{~s}$ to $t=2 \mathrm{~s}$ is

A
0.02 C
B
0.07 C
C
0.06 C
D
0.04 C
JEE Main Subjects
EXAM MAP