Q1PhysicsUnit 12: Current Electricity
What is the order of magnitude of the resistance of a dry human body?
Physics · JEE
Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors Short Tricks for JEE
17+ syllabus-aligned questions available
Quick answer
Short tricks for Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.
Use these Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors shortcuts to save time in JEE Physics papers — then validate speed with 17+ MCQs on Goodmarks.
Short tricks for speed
Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors focus drill
Solve 15 mixed MCQs for Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors, review every explanation, and note formulas you hesitated on.
Dimensional check first
Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.
Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.
Syllabus context
Part of Current Electricity in JEE Main Physics.
- Electric current: drift velocity, mobility and their relation with electric current
- Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors
- Electrical energy and power, electrical resistivity and conductivity
- Series and parallel combinations of resistors, temperature dependence of resistance
- Internal resistance, potential difference and emf of a cell, a combination of cells in series and parallel
- Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge
Free sample questions
Attempt 8 free MCQs for Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors. Unlock 9+ more with Pro.
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
(in volt')
Current
in 0.2
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
and thickness made of a material of
resistivity The resistance between
two opposite faces, shown by the shaded areas in the figure is
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Frequently asked questions
Are short tricks enough for Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors in JEE?
No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.
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