Introduction: This set
covers the fundamental concepts of electric current, charge, potential difference,
and basic circuit components. These MCQs are designed to test your
understanding of the basic definitions, units, and principles that form the
foundation of electricity as per NCERT Class 10 Physics curriculum.
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📘 Science
PHYSICS | Electricity-A
📝 Questions: 50
⏱️ Timer: 20 min
Q1. The bulb in a circuit glows due to:
Q2. One ampere is equal to:
Q3. A typical electric circuit consists of:
Q4. Milliampere (mA) is equal to:
Q5. The formula for electric current is:
Q6. Electric current is a:
Q7. The flow of charges in metals is mainly due to:
Q8. The direction of current shown in circuit diagrams is:
Q9. Ampere is named after:
Q10. When a circuit is broken, the bulb:
Q11. The function of a switch in a circuit is to:
Q12. Conventionally, the direction of electric current is taken as:
Q13. Microampere (µA) is equal to:
Q14. Electric current in a circuit flows from:
Q15. Electricity is considered an important form of energy because it is:
Q16. The charge of one electron is:
Q17. Electric current in a conductor is due to the flow of:
Q18. In metallic wires, electric current is due to the flow of:
Q19. A current of 0.5 A flows for 10 minutes. The charge flowing is:
Q20. Electric current depends on:
Q21. Electric current stops flowing when:
Q22. In a torch, electric current is provided by:
Q23. Electric current flows through a conductor when:
Q24. An electric bulb lights up immediately because:
Q25. Electricity is widely used in:
Q26. A torch bulb glows only when:
Q27. Metals conduct electricity because:
Q28. Electric current is defined as:
Q29. Flow of charges requires:
Q30. The flow of water in a pipe requires:
Q31. A continuous and closed path of electric current is called:
Q32. The schematic diagram of a circuit shows:
Q33. Electric current is measured in:
Q34. Drift speed of electrons is:
Q35. Initially, electric current was assumed to be the flow of:
Q36. Electric current is measured using an instrument called:
Q37. The SI unit of electric current is:
Q38. Charges do not flow in a wire by themselves because:
Q39. The SI unit of electric charge is:
Q40. Flowing water in a river is an example of:
Q41. If a charge Q flows in time t, the current I is given by:
Q42. Electric potential difference causes:
Q43. The average speed of electrons in a conductor is called:
Q44. Ten minutes is equal to:
Q45. Horizontal water in a tube does not flow because of:
Q46. One coulomb of charge is approximately equal to the charge of:
Q47. An ammeter is always connected in:
Q48. Gravity plays what role in the flow of electrons in a wire?
Q49. A battery consists of:
Q50. Circuit symbols are used because they are:
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