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Standard XII

Physics

Ohm's Law in Scalar Form

What is the r...

Question

What is the reading of ammeter in the figure. Assume that the internal resistance of battery is zero and the key is closed?

0.25 A

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2.0 A

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0.5 A

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1.0 A

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Solution

The correct option is B
2.0 A

Applying Kirchhoff's laws we find : 10 = 5I₁ and 10 = 5I₂.

Also I = I₁+ I₂. Hence reading in ammeter is 2.0A.

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What is the reading of ammeter in the figure. Assume that the internal resistance of battery is zero and the key is closed?

The correct option is B 2.0 A Applying Kirchhoff's laws we find : 10 = 5I1 and 10 = 5I2. Also I = I1 + I2. Hence reading in ammeter is 2.0A.

The correct option is B
2.0 A

Applying Kirchhoff's laws we find : 10 = 5I₁ and 10 = 5I₂.

Also I = I₁+ I₂. Hence reading in ammeter is 2.0A.