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Karnataka Board PUCPUC Science 2nd PUC Class 12

Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of 6 Ω?

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Question

Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of 6 Ω?

Numerical
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Solution

Equivalent resistance, R’ = 6 Ω

Consider the series combination of the resistors, as shown in the given circuit.

Equivalent resistance of the circuit is given by the sum,

R’ = 1 + 2 + 3 = 6 Ω

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Chapter 3: Current Electricity - Exercise [Page 129]

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NCERT Physics Part I and II [English] Class 12
Chapter 3 Current Electricity
Exercise | Q 3.20 (b) (iii) | Page 129

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