Physics · JEE

Electrical energy and power, electrical resistivity and conductivity Previous Year Questions for JEE

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Goodmarks offers 30+ JEE-style PYQs for Electrical energy and power, electrical resistivity and conductivity with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Physics.

Previous year questions are the fastest way to understand how Electrical energy and power, electrical resistivity and conductivity is tested in JEE. Practise 30+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

Syllabus context

Part of Current Electricity in JEE Main Physics.

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Q1PhysicsUnit 12: Current Electricity

In the circuit shown, the heat produced in

5 \Omega

resistor is 10 calorie/sec. The heat produced/sec in

4 \Omega

resistor will be :

Q2PhysicsUnit 12: Current Electricity

Q Type your question- and of fixed emf, the resistor

\boldsymbol{R}_{1}

has fixed resistance and the resistance of resistor

\boldsymbol{R}_{2}

can be varied (but

\boldsymbol{R}_{2}

is always nonzero). Then the electric power delivered to the resistor of resistance

R_{1}

is independent of the value of resistance

\boldsymbol{R}_{2}

Reason f potential difference across a fixed resistance is unchanged, the power delivered to the resistor remains constant.

Q3PhysicsUnit 12: Current Electricity

The most important safety method used for protecting home appliances from short circuiting or overloading is

Q4PhysicsUnit 12: Current Electricity

The electrical energy in kilowatt hours consumed in operating ten

50 ~ W

bulbs for 10 hrs/day in a month of 30 days is

Q5PhysicsUnit 12: Current Electricity

The Joules heating effect for an electric heater in

A . C

and in D.C. circuit is

Q6PhysicsUnit 12: Current Electricity

The heat developed in a system is proportional to the current through it. Then

Q7PhysicsUnit 12: Current Electricity

A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be:

Q8PhysicsUnit 12: Current Electricity

P=\frac{V^{2}}{R}

is applied when

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Frequently asked questions

Why practise PYQs for Electrical energy and power, electrical resistivity and conductivity?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Electrical energy and power, electrical resistivity and conductivity, covering the same topics as previous year papers.

How should I use PYQs for Current Electricity?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.