Introduction: This set
covers series and parallel combinations of resistors, their equivalent
resistances, and applications in circuits. These MCQs are crucial for
understanding current and voltage distribution in different circuit
configurations as per NCERT Class 10 Physics.
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📘 Science
PHYSICS | Electricity-D
📝 Questions: 50
⏱️ Timer: 20 min
Q1. For three resistors in series, the relation between voltages is:
Q2. Three resistors of 1Ω, 2Ω and 3Ω in series have equivalent resistance:
Q3. Equivalent resistance of resistors in series is:
Q4. Two resistors of 20Ω and 4Ω are connected in series. Total resistance is:
Q5. In a parallel combination, the potential difference across each resistor is:
Q6. Equivalent resistance of resistors in parallel is:
Q7. Formula for equivalent resistance in series is:
Q8. The total potential difference across resistors in series is equal to:
Q9. In a series circuit, the current through each resistor is:
Q10. If current in a series circuit is 0.5A, current through each resistor is:
Q11. Equivalent resistance of a series combination is always:
Q12. In a series circuit, if one resistor breaks, the circuit:
Q13. The main disadvantage of series circuit is:
Q14. Household appliances are connected in:
Q15. In parallel circuits, adding more resistors causes total resistance to:
Q16. In a parallel circuit, current divides according to:
Q17. The main advantage of parallel circuit is:
Q18. Equivalent resistance of resistors in parallel is denoted by:
Q19. Equivalent resistance of a parallel circuit is always:
Q20. According to parallel combination rule:
Q21. In a parallel circuit, voltage across each resistor equals:
Q22. In parallel combination, if one resistor fails, the circuit:
Q23. In series circuits, adding more resistors causes current to:
Q24. In a parallel circuit, current through each branch is:
Q25. If current in parallel branches are I1, I2, I3, then total current is:
Q26. Resistors connected between the same two points are in:
Q27. In a series circuit, the total voltage is divided:
Q28. Resistance in series increases because:
Q29. Parallel combination is preferred in household wiring because:
Q30. The total current in a parallel circuit is equal to:
Q31. Parallel connection is useful when:
Q32. A parallel circuit provides:
Q33. Voltmeter in a parallel circuit is connected:
Q34. Potential difference across a 20Ω lamp carrying 0.25A current is:
Q35. Potential difference across a 4Ω conductor carrying 0.25A is:
Q36. If a 6V battery is connected to a 24Ω series circuit, the current is:
Q37. Three resistors of 30Ω, 20Ω and 60Ω in parallel give equivalent resistance:
Q38. Two resistors of 10Ω and 40Ω in parallel have equivalent resistance:
Q39. Total resistance of two parallel groups of 8Ω and 10Ω connected in series is:
Q40. Equivalent resistance of 5Ω, 10Ω and 30Ω in parallel is:
Q41. Three resistors of 5Ω, 10Ω, and 30Ω are connected in parallel to 12V. Current through 5Ω is:
Q42. In a series circuit, power consumed by each resistor depends on:
Q43. In circuit diagrams, resistors are shown using:
Q44. In a series combination, current depends on:
Q45. Ammeter in a parallel circuit is connected:
Q46. Series connection is useful when:
Q47. Electric heaters mostly use resistors connected in:
Q48. In a parallel circuit, the position of the ammeter does not change the:
Q49. In parallel circuit, power consumed depends on:
Q50. Series circuits are impractical for household appliances because:
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