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Important Questions: Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors for JEE

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The most important Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors questions for JEE cover conceptual traps, standard results, and numerical patterns from Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors. Goodmarks provides 17+ high-yield MCQs with full solutions.

Focus on what matters most. These important Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors questions cover high-weightage concepts from Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors — the topics JEE repeats every year.

Syllabus context

Part of Current Electricity in JEE Main Physics.

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Q1PhysicsUnit 12: Current Electricity
What is the order of magnitude of the resistance of a dry human body?
Q2PhysicsUnit 12: Current Electricity
Bulb does not glow when the probs are hanged in air. The reason is:
Q3PhysicsUnit 12: Current Electricity
On increasing the resistance in a circuit, the current in it :
Q4PhysicsUnit 12: Current Electricity
Ohms Law is not obeyed by :
Q5PhysicsUnit 12: Current Electricity
A graph is plotted between the potential difference (applied across the ends of a conductor) and the current (following through the conductor). The graph is a straight line
Q6PhysicsUnit 12: Current Electricity
In an experiment of verification of Ohm's law, following observations are obtained: Potential difference 0.5  1.0  1.5  2.0 \begin{array}{lll}\text { 1.0 } & \text { 1.5 } & \text { 2.0 }\end{array} vv (in volt') Current in 0.2 0.40.60.4 \quad 0.6 ampere From observation table the resistance in circuit is
Q7PhysicsUnit 12: Current Electricity
The graph between potential difference and current for a conductor is a straight line passing through the origin. Which law is illustrated by such a graph?
Q8PhysicsUnit 12: Current Electricity
Consider a thin square sheet of side L\boldsymbol{L} and thickness t,t, made of a material of resistivity ρ.\rho . The resistance between two opposite faces, shown by the shaded areas in the figure is

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What makes a Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

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Key areas include Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors. Prioritise these before moving to edge cases.

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Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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