A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities constant along the length of the conductor is/are

Current, electric field and drift velocity

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Current and drift speed

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Speed only

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Current only.

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Solution

The correct option is D
Current only.

As the current is flowing along the non-uniform cross-section, the electric field, drift velocity, and drift speed varies with length. However the current remains constant.

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A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities constant along the length of the conductor is/are

The correct option is D Current only. As the current is flowing along the non-uniform cross-section, the electric field, drift velocity, and drift speed varies with length. However the current remains constant.

The correct option is D
Current only.

As the current is flowing along the non-uniform cross-section, the electric field, drift velocity, and drift speed varies with length. However the current remains constant.