An ideal voltmeter V is connected to a 2-0 - resistor and a battery with emf 5-0 V and internal resistance 0-5 - as shown in figure-the current in the 2-0 - resisror-A- 2 AB- 4 AC- cannot be determinedD- 0 A

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Standard XII

Physics

Voltmeter

An ideal volt...

Question

An ideal voltmeter $V$ is connected to a $2.0 Ω$ resistor and a battery with emf $5.0 V$ and internal resistance $0.5 Ω$ as shown in figure:
What is the current in the $2.0 Ω$ resisror?

0 A

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2 A

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4 A

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cannot be determined

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Solution

The correct option is A $0 A$
As voltmeter is ideal, it has infinite resistance, therefore current is zero.

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An ideal voltmeter V is connected to a 2.0 Ω resistor and a battery with emf 5.0 V and internal resistance 0.5 Ω as shown in figure: What is the current in the 2.0 Ω resisror?

The correct option is A 0 AAs voltmeter is ideal, it has infinite resistance, therefore current is zero.

An ideal voltmeter $V$ is connected to a $2.0 Ω$ resistor and a battery with emf $5.0 V$ and internal resistance $0.5 Ω$ as shown in figure:
What is the current in the $2.0 Ω$ resisror?

The correct option is A $0 A$
As voltmeter is ideal, it has infinite resistance, therefore current is zero.