Electricity
Gujarat Board · Class 10 · Science
Most important questions from Electricity for Gujarat Board Class 10 Science board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Ohm's law states that:
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V is directly proportional to I
Ohm's law states that the potential difference (V) across a conductor is directly proportional to the current (I) flowing through it, provided temperature remains constant. This gives us V = IR.
The resistance of a conductor depends on which of the following factors?
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Length of the conductor, Area of cross-section, Material of the conductor
The resistance of a conductor depends on its length (directly proportional), area of cross-section (inversely proportional), and the material (resistivity). Color does not affect resistance.
When resistors are connected in series, the total resistance is:
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Equal to the sum of individual resistances
In series combination, the total resistance Rs = R1 + R2 + R3 + ... This means the total resistance is always greater than any individual resistance.
In a parallel combination of resistors, which of the following is true?
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Voltage is same across all resistors, Total resistance is less than the smallest individual resistance, Total current is sum of individual currents
In parallel circuits: voltage across each resistor is the same, total resistance is less than the smallest individual resistance, and total current equals the sum of individual currents. Current through each resistor can be different.
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