Assertion : In the following circuit, emf is (2 V) and internal resistance of the cell is (1 ) and (R=1 ), then reading of the voltmeter is (1 V). Reason : V=E-I R where (E=2 V), (I=2 / 2=1 A . )

AIIMS 2008

Exam: AIIMS
Year: 2008
Subject: Physics
Chapter: Current Electricity

AIIMS 2008 · Physics · Current Electricity

Assertion : In the following circuit, emf is (2 V) and internal...

Assertion : In the following circuit, emf is (2 \mathrm{ V}) and internal resistance of the cell is (1 \Omega) and (R=1 \Omega), then reading of the voltmeter is (1 \mathrm{ V}). Reason :

V=E-I R

where (E=2 \mathrm{ V}), (I=2 / 2=1 \mathrm{ A} \text{. })

Options

AIf both assertion and reason are true and reason is the correct explanation of assertion
BIf both assertion and reason are true but reason is not the correct explanation of assertion
CIf assertion is true but reason is false
DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false

Step-by-step solution

V=E-I(R+r)

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