1
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
$\frac{p}{n}$
2
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
3
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
4
JEE Main 2025 (Online) 3rd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
A motor operating on 100 V draws a current of 1 A . If the efficiency of the motor is $91.6 \%$, then the loss of power in units of $\mathrm{cal} / \mathrm{s}$ is
A
6.2
B
2
C
8.4
D
4
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