Introduction: This set
focuses on Ohm's Law, resistance, potential difference, and their applications.
These MCQs are essential for understanding the relationship between voltage,
current, and resistance, along with the concepts of resistivity and factors
affecting resistance as per NCERT Class 10 Physics.
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📘 Science
PHYSICS | Electricity-A
📝 Questions: 50
⏱️ Timer: 20 min
Q1. An electric circuit includes:
Q2. Mathematical form of Ohm's law is:
Q3. The relationship between current and potential difference was given by:
Q4. In Ohm's law experiment, current is measured using:
Q5. Potential difference of 1 V means:
Q6. Work done in moving a charge of 2 C across 12 V is:
Q7. Formula for potential difference is:
Q8. Potential difference is measured using:
Q9. The constant ratio V/I is called:
Q10. Electric potential difference is defined as:
Q11. In V-I graph, the graph obtained is:
Q12. Potential difference in a circuit is produced by:
Q13. A device that maintains potential difference across a conductor is:
Q14. Ohm's law relates:
Q15. A voltmeter is always connected in:
Q16. According to Ohm's law:
Q17. Ohm's law applies to:
Q18. Ohm's law is valid when:
Q19. Resistance is the property of a conductor to:
Q20. To maintain electric current, a cell uses its:
Q21. One volt is equal to:
Q22. The SI unit of resistance is:
Q23. The formula used to calculate work done is:
Q24. Increasing number of cells increases:
Q25. Volt is named after:
Q26. Chemical action inside a cell produces:
Q27. If V = 1 V and I = 1 A, resistance is:
Q28. Electric pressure along a conductor is called:
Q29. 1 volt can also be written as:
Q30. The slope of V-I graph represents:
Q31. The SI unit of potential difference is:
Q32. A schematic diagram uses:
Q33. A rheostat is a type of:
Q34. Resistance depends on:
Q35. Ohm's law was proposed in the year:
Q36. Current is inversely proportional to:
Q37. A cell can have potential difference even when:
Q38. Energy given to 1 C charge by a 6 V battery is:
Q39. If resistance is doubled, current becomes:
Q40. When a cell is connected to a circuit, potential difference:
Q41. Ohm's law can be applied to:
Q42. The best conductor among materials is the one with:
Q43. A conductor of given size with low resistance is called:
Q44. Best conductor among iron and mercury is:
Q45. When potential difference is doubled, current (resistance constant):
Q46. If potential difference is reduced to half, current becomes:
Q47. A conductor with appreciable resistance is called:
Q48. A device used to change resistance in a circuit is:
Q49. Current drawn by a 100 Ω heater from 220 V source is:
Q50. If 12V is applied across 18Ω, current is:
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