Download App

Current Electricity — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsCurrent Electricity1 Mark
MCQ
Two identical cells send the same current in $2 \Omega$ resistance, whether connected in series or in parallel. The internal resistance of the cell should be
  • A
    $1 \Omega$
  • ✓
    $2 \Omega$
  • C
    $\frac{1}{2} \Omega$
  • D
    $2.5 \Omega$
✓

Answer

Correct option: B.
$2 \Omega$
$2 \Omega$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Current Electricity→Current Electricity — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

An iron rod of volume $10^{-4} \mathrm{~m}^3$ and relative permeability $1000$ is placed inside a long solenoid wound with $5$ turns $/ \mathrm{cm}$. If a current of $0.5 A$ is passed through the solenoid, then the magnetic moment of the rod is
→
Quantam nature of light is explained by which of the following phenomenon
→
Time taken by an object falling from rest to cover the height of $h_1$ and $h_2$ is respectively $t_1$ and $t_2$ then the ratio of $t_1$ to $t_2$ is
→
Two identical samples of a gas are allowed to expand $(i)$ isothermally $(ii)$ adiabatically. Work done is
→
One mole of an ideal gas at an initial temperature of $T K$ does $6 R$ joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is $5 / 3$, the final temperature of gas will be
→
The physical quantity that has no dimensions
→
A coil in the shape of an equilateral triangle of side $l$ is suspended between the pole pieces of a permanent magnet such that $\vec {B}$ is in plane of the coil. If due to a current $i$ in the triangle a torque $\tau$ acts on it, the side $l$ of the triangle is
→
A gas is suddenly compressed to $1 / 4$ th of its original volume at normal temperature. The increase in its temperature is $(\gamma=1.5)$
→
The maximum power drawn out of the cell from a source is given by (where $r$ is internal resistance)
→
A particle of mass ' $m$ ' and charge ' $q$ ' is accelerated through a potential difference of ' $\mathrm{V}$ ' volt. Its energy is
→