JEE Main 2022 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 27 June 2022, Shift 2, Physics Q57

Question 57 of 90 in this shift, Physics question 27 of 30, Section B.

In the given circuit 'a' is an arbitrary constant. The value of

m

for which the equivalent circuit resistance is minimum, will be

\sqrt{\frac{x}{2}}

. The value of

x

is ______.

The figure, in words

Circuit: a battery V in the bottom wire; in the top branch, a parallel group of three resistors each labelled ma, in series with a parallel group of two resistors each labelled a/m.

Official answer

NTA final key.

Chapter: Current Electricity
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy