🔹 A. Short Answer Questions
Q1. Define Ohm’s Law.
Q2. What is electric current? SI unit?
Q3. What is resistance?
Q4. Difference between AC and DC.
Q5. What is magnetic field?
Q6. State Fleming’s Left Hand Rule.
Q7. What is reflection of light?
Q8. Define refractive index.
Q9. What is lens power?
Q10. What is fuse?
🔹 B. Long Answer Questions
Q11. Explain electric motor with diagram.
Q12. Explain electromagnetic induction.
Q13. Describe domestic electric circuit.
Q14. Explain Joule’s heating effect.
Q15. Explain human eye structure.
Q16. Explain defects of vision.
Q17. Explain concave mirror image formation.
Q18. Explain convex lens ray diagram.
Q19. Explain solenoid magnetic field.
Q20. Explain power distribution system.
🔹 C. Numericals (Very Important)
Q21. A 12V battery is connected to 6Ω resistor. Find current.
Q22. Calculate power if V = 220V and I = 2A.
Q23. Find resistance if V = 10V and I = 0.5A.
Q24. A bulb of 60W runs on 220V. Find current.
Q25. Calculate energy consumed by 100W bulb in 5 hours.
🔹 D. Theory + Application
Q26. Why is copper used in wiring?
Q27. Why does sky appear blue?
Q28. Why does white light split into spectrum?
Q29. Application of electromagnet in daily life.
Q30. Why is fuse important in home circuit?
🔹 E. Important Diagrams
⚡ Electric Circuit
+| |----(Switch)----[Resistor]----| |-
🔍 Convex Lens Ray Diagram
Object Lens Image
↑ ) ( ↓
| ) ( |
--- ) ( ---
🪞 Reflection of Light
Incident Ray
\
\
\ | Mirror
------|---------
/ |
/
Reflected Ray
