SET 2: Magnetic Field Due to Current-Carrying Conductors
Introduction: This set focuses on the magnetic field patterns produced by straight conductors, circular loops, and solenoids. Questions cover the right-hand thumb rule, factors affecting magnetic field strength, and the behavior of electromagnets.
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📘 SCIENCE
PHYSICS | Magnetic Effects of Electric Current-B
📝 Questions: 50
⏱️ Timer: 20 min
Q1. Ammeter is used to measure:
Q2. What is the shape of the magnetic field lines around a straight current-carrying conductor?
Q3. The magnetic field around a conductor increases when current is:
Q4. The magnetic field produced by current is also called:
Q5. Increasing the current in the wire causes compass deflection to:
Q6. Magnetic field lines indicate the direction of force on a:
Q7. Reversing the direction of current causes the compass needle to deflect:
Q8. Field lines help us understand the:
Q9. Crossing of magnetic field lines is:
Q10. The direction of magnetic field at a point is given by the direction of:
Q11. What happens to the magnetic field around a wire if the direction of current is reversed?
Q12. By convention, magnetic field lines emerge from the:
Q13. Decreasing the current in the wire causes the magnetic field strength to:
Q14. Iron filings around a current-carrying wire arrange in the form of:
Q15. The magnetic field around a straight wire is symmetrical about the:
Q16. Magnetic field due to current was first observed using a:
Q17. Iron filings align themselves due to:
Q18. The direction of magnetic field is shown by arrows on:
Q19. The relative strength of a magnetic field is shown by:
Q20. Reversal of current reverses the direction of:
Q21. Magnetic field pattern depends on the:
Q22. Magnetic field due to current was verified experimentally using:
Q23. The concentric circles represent:
Q24. Iron filings do not stick permanently because they are:
Q25. What is the rule used to determine the direction of the magnetic field around a current-carrying conductor?
Q26. Rheostat is used in the circuit to:
Q27. A current-carrying conductor produces a:
Q28. If current becomes zero, the magnetic field:
Q29. Magnetic field lines are imaginary lines used to represent:
Q30. A compass placed near a current-carrying wire shows deflection due to:
Q31. Magnetic field is strongest where field lines are:
Q32. Magnetic field lines are closer near the wire when current is:
Q33. Magnetic field lines around a straight conductor are:
Q34. The direction of magnetic field depends on the direction of:
Q35. Field lines are closer together when magnetic field is:
Q36. The study of magnetic fields produced by electric current is part of:
Q37. A compass placed on a circular field line shows:
Q38. The magnetic field direction reverses when:
Q39. Inside a magnet, the direction of magnetic field lines is from:
Q40. The pattern of magnetic field around a straight conductor consists of:
Q41. Magnetic field lines form:
Q42. Magnetic field around a straight wire is strongest:
Q43. The magnetic field produced by current depends on the:
Q44. Field lines never cross each other because:
Q45. A circular coil produces maximum magnetic field at its:
Q46. Soft iron placed inside a current-carrying solenoid becomes:
Q47. The right-hand thumb rule is applicable to:
Q48. In the right-hand thumb rule, the curled fingers show the direction of:
Q49. In the right-hand thumb rule, the thumb points in the direction of:
Q50. A solenoid is a coil of many turns wound in the shape of a:
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