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AI Gen: Current Electricity question bank (Physics)

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Q1.

A uniform metallic wire of resistance $20\text{ \Omega}$ is bent into a complete circle. The effective resistance between two points diametrically opposite on the circle is:

Topic: Current Electricity | Source: AI Generated (JEE Main)

(A)

$20\text{ \Omega}$

(B)

$5\text{ \Omega}$

(C)

$10\text{ \Omega}$

(D)

$2.5\text{ \Omega}$

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Q2.

In a meter bridge experiment, the null point is obtained at $40\text{ cm}$ from the left end when a standard resistance of $R = 10\text{ \Omega}$ is connected in the right gap. The value of the unknown resistance in the left gap is:

Topic: Current Electricity | Source: AI Generated (JEE Main)

(A)

$15\text{ \Omega}$

(B)

$\frac{20}{3}\text{ \Omega}$

(C)

$6\text{ \Omega}$

(D)

$\frac{10}{3}\text{ \Omega}$

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