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Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of (11/5) Ω?

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प्रश्न

Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of  (11/5) Ω?

संख्यात्मक
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उत्तर

Equivalent resistance, R' = `11/5` Ω

Consider the following combination of the resistors.

Equivalent resistance of the circuit is given by,

R' = `(2 xx 3)/(2 + 3) + 1`

= `6/5 + 1`

= `11/5` Ω

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अध्याय 3: Current Electricity - Exercise [पृष्ठ १२९]

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एनसीईआरटी Physics Part I and II [English] Class 12
अध्याय 3 Current Electricity
Exercise | Q 3.20 (b) (ii) | पृष्ठ १२९

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