An ideal battery of 4 V |Current Electricity |JEE-MAIN 2019

JEE-MAIN 2019

12-01-2019 S1

Question

An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and resistance 5$\Omega$. . The value of R, to give an potential difference of 5 mV across 10 cm of potentiometer wire, is

Select the correct option:

$480 \Omega$

$490 \Omega$

$495 \Omega$

$395 \Omega$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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