Q1PhysicsUnit 12: Current Electricity
The equivalent Resistance:
This question has multiple correct options
Physics · JEE
Hard Series and parallel combinations of resistors, temperature dependence of resistance MCQs for JEE
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Hard Series and parallel combinations of resistors, temperature dependence of resistance MCQs train multi-concept problem solving — attempt after mastering easy and medium sets (18+ on Goodmarks).
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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
Free sample questions
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Q2PhysicsUnit 12: Current Electricity
Two heater coils separately take 10 min and 5 min to boil a certain amount of
water. If both the coils are connected in
series, the time taken will be
Q3PhysicsUnit 12: Current Electricity
When two same conducting rod are
kept at different temperature,
Q4PhysicsUnit 12: Current Electricity
If two resistors of resistance and
are connected in parallel across a battery. The ratio of the potential difference across them is
Q5PhysicsUnit 12: Current Electricity
Nidhi has two bulbs connected across
two cells in a simple circuit as shown.
How can she make the bulbs glow
dimmer?
Q6PhysicsUnit 12: Current Electricity
The resistance of an iron wire is
and its temperature coefficient of
resistance is A current of
is flowing in it at . Keeping potential difference across its ends constant, if its temperature is
increased to then the current
flowing in the wire will be (in )
Q7PhysicsUnit 12: Current Electricity
In a parallel circuit of bulbs,
Q8PhysicsUnit 12: Current Electricity
For a metallic wire, the ratio (where,
applied potential difference and
current flowing
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Popular questions in Series and parallel combinations of resistors, temperature dependence of resistance
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