When a Voltmeter connected across the terminals of the cell- measures 5 V and an ammeter connected measures 10 A- A resistance of 2 - is connected across the terminal of the cell- The current flowing through this resistance is -

The correct option is C 2.0 A Resistance across cell terminal is R=5/10=0.5 #160;Ω This resistance R and 2 Ω are in parallel . so ...

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Standard X

Physics

Factors Affecting Resistance & How They Affect

When a Voltme...

Question

When a Voltmeter connected across the terminals of the cell, measures $5 V$ and an ammeter connected measures $10 A$ . A resistance of $2 Ω$ is connected across the terminal of the cell. The current flowing through this resistance is :-

7.5 A

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5.0 A

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2.5 A

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2.0 A

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Solution

The correct option is C $2.0 A$
Resistance across cell terminal is $R = 5 / 10 = 0.5 Ω$
This resistance $R$ and $2 Ω$ are in parallel . so $10 A$ current divide into $R$ and $2 Ω$ .
using current division rule , the current through $2 Ω$ resistance $= \frac{0.5}{2 + 0.5} \times 10 = 2 A$

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When a Voltmeter connected across the terminals of the cell, measures 5V and an ammeter connected measures 10A. A resistance of 2Ω is connected across the terminal of the cell. The current flowing through this resistance is :-

The correct option is C 2.0AResistance across cell terminal is R=5/10=0.5ΩThis resistance R and 2Ω are in parallel . so 10A current divide into R and 2Ω.using current division rule , the current through 2Ω resistance =0.52+0.5×10=2A

When a Voltmeter connected across the terminals of the cell, measures $5 V$ and an ammeter connected measures $10 A$ . A resistance of $2 Ω$ is connected across the terminal of the cell. The current flowing through this resistance is :-

The correct option is C $2.0 A$
Resistance across cell terminal is $R = 5 / 10 = 0.5 Ω$
This resistance $R$ and $2 Ω$ are in parallel . so $10 A$ current divide into $R$ and $2 Ω$ .
using current division rule , the current through $2 Ω$ resistance $= \frac{0.5}{2 + 0.5} \times 10 = 2 A$