New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Current Electricity question

2025 · 3 Apr · Shift 1 · Q53

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Current Electricity
2025 · 3 Apr · Shift 1 · Q53

Current Electricity question

2025 · 3 Apr · Shift 1 · Q53

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1

A wire of length 25 m and cross-sectional area

5 \mathrm{~mm}^2

having resistivity of

2 \times 10^{-6} \Omega \mathrm{~m}

is bent into a complete circle. The resistance between diametrically opposite points will be

A
$100 \Omega$
B
$2.5 \Omega$
C
$12.5 \Omega$
D
$50 \Omega$

More from Current Electricity

In the figure shown below, a resistance of $150.4Ω$ is connected in series to an ammeter A of resistance $240Ω$ . A shunt resistance of $10Ω$ is connected in parallel with the ammeter. The reading of the ammeter is … Includes diagram2025 · Numerical
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 $cal / s$ is2025 · MCQ
Two cells of emfs 1 V and 2 V and internal resistances $2Ω$ and $1Ω$ , respectively, are connected in series with an external resistance of $6Ω$ . The total current in the circuit is $I_{1}$ . Now the same two cells in…2025 · Numerical
Current passing through a wire as function of time is given as $I (t) = 0.02 t + 0.01 A$ . The charge that will flow through the wire from $t = 1 s$ to $t = 2 s$ is2025 · MCQ
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 :2025 · MCQ
From the combination of resistors with resistances values $R_{1} = R_{2} = R_{3} = 5Ω$ and $R_{4} = 10Ω$ , which of the following combination is the best circuit to get an equivalent resistance of $6Ω$ ?2025 · MCQ
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 : Includes diagram2025 · MCQ
Given below are two statements : Statement-I : The equivalent emf of two nonideal batteries connected in parallel is smaller than either of the two emfs. Statement-II : The equivalent internal resistance of two nonideal batteries connected…2025 · MCQ