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Explain Ohms Law in detail and derive the mathematical relationship between voltage, current, and resistance. Also explain its limitations.
What is electric power? Derive the formula for electric power and explain how it is related to energy consumption in daily life appliances.
Explain series and parallel combinations of resistors with diagrams. Also compare their advantages and disadvantages in real-life circuits.
Describe the heating effect of electric current. How does it work in devices like heaters and fuse systems?
A 60 W bulb and a 100 W bulb are connected in a circuit. Explain which one consumes more current and why, with proper reasoning.

Maths (interesting problem-based questions)

Explain step by step how to solve quadratic equations using factorization and give a real-life application example.
A train travels at different speeds for different distances. Explain how to calculate average speed with a detailed example and formula derivation.
Explain Pythagoras theorem and show how it is used in construction or real-world measurements.
What are linear equations in two variables? Explain graphically how solutions are represented.