Q1PhysicsUnit 12: Current Electricity
Between any two points in a circuit, the sum of all is the same through
any pathway.
Physics · JEE
Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge Short Tricks for JEE
18+ syllabus-aligned questions available
Quick answer
Short tricks for Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.
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Short tricks for speed
Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge focus drill
Solve 15 mixed MCQs for Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge, 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
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Q2PhysicsUnit 12: Current Electricity
In the given circuit diagram the ratio of
potential difference across 3 ohm and 4
ohm resistance is The unknown
resistance is:-
Q3PhysicsUnit 12: Current Electricity
In the ladder network shown, current
through the resistor is The
input voltage ' is equal to
Q4PhysicsUnit 12: Current Electricity
During an experiment with a metre bridge, the galvanometer shows a null point when the jockey is pressed at
using a standard resistance of
as shown in the figure. The least count of the scale used in the metre
bridge is 1 mm. The unknown
resistance is
Q5PhysicsUnit 12: Current Electricity
Kirchhoff's law of meshes is in
accordance with law of conservation of:
Q6PhysicsUnit 12: Current Electricity
Assertion
Total current entering a circuit is equal
to leaving the circuit by Kirchhoff's law.
Reason
It is based on conservation of energy.
Q7PhysicsUnit 12: Current Electricity
Assertion
Kirchhoff's junction rule can be applied to a junction of several lines or a point in a line.
Reason
When steady current is flowing, there is no accumulation of charges at any junction or at any point in a line.
Q8PhysicsUnit 12: Current Electricity
A Wheatstone bridge consisting of four of resistances is most
sensitive when :
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Popular questions in Kirchhoff's laws and their applications, Wheatstone bridge, Metre Bridge
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