Cluster · Ohm's Law and Electrical Resistance

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Clusters / #1277
tight score 0.36

Resistance, Ohm's Law and Circuits
Questions
62
Questions in this cluster
62 total
Question Category Subtype Difficulty

A given resistance R is cut into 2 equal parts. The resistance of each part is:

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What happens to the resistance of a conductor if its length is doubled while keeping the cross-sectional area constant?

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In a circuit, if the voltage is constant and the resistance increases, what happens to the current?

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According to Ohm's law, if current (1) increases and potential difference (V) remains constant, then

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The resistance R of a conductor does not depend on

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According to Ohm's law, if current (1) increases and potential difference (V) remains constant, then

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If the diameter of a cylindrical conductor is doubled, what happens to its resistance?

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The resistivity of a material typically increases with: 

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What happens to the resistance of a conductor if its length is doubled while keeping the cross-sectional area constant?

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In a circuit, if the voltage is constant and the resistance increases, what happens to the current?

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The resistivity of a semiconductor generally decreases with increasing temperature due to:

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The resistivity of a material typically increases with: 

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