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Resistors In Series And Parallel Combinations - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main

Quick Facts

  • Series grouping of Resistance is considered one of the most asked concept.

  • 16 Questions around this concept.

Solve by difficulty

A cell of emf 90\mathrm{V} is connected across series combination of two resistors each of 100\mathrm{\Omega } resistance. A voltmeter of resistance 400\mathrm{\Omega } is used to measure the potential difference across each resistor. The reading of the voltmeter will be:

Given below are two statements :
Statement I: The equivalent resistance of resistors in a series combination is smaller than the least resistance used in the combination.
Statement II: The resistivity of the material is independent of temperature.

In the light of the above statements, choose the correct answer from the options given below :

Concepts Covered - 1

Series grouping of Resistance
  1. Series Grouping of resistance

 In this case , Potential drop is different across each resistor and Current is the same

.

R_{eq}=R_{1}+R_{2}+R_{3}+\cdots+R_{n}   

R_{eq}=Equivalent Resistance

For n identical resistance: R_{eq}=nR

V'=\frac{V}{n}

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Series grouping of Resistance

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