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 Previous Year Questions for JEE
17+ syllabus-aligned questions available
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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
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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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Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-ohmic conductors, covering the same topics as previous year papers.
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