This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Name the device which converts electric energy into mechanical energy A) Motor. B) Generator. C) Heater. D) Transformer. Show Answer Correct Answer: A) Motor. 2. Magnetic lines of force inside current carrying solenoid are A) Perpendicular to axis. B) Along the axis and are parallel to each other. C) Parallel inside the solenoid and circular at the ends. D) Circular. Show Answer Correct Answer: C) Parallel inside the solenoid and circular at the ends. 3. The direction of the magnetic field is taken to be the direction in which a ..... pole of the compass needle moves inside it. A) North. B) South. C) All the above. D) None of the above. Show Answer Correct Answer: A) North. 4. A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid will A) Increase. B) Decrease. C) Remains same. D) Becomes zero. Show Answer Correct Answer: A) Increase. 5. The factors on which one magnetic field strength produced by current carrying solenoid depends on A) Magnitude of current. B) Number of turns. C) Nature of core material. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. What is the direction of the magnetic field lines around a current-carrying straight wire? A) Straight lines parallel to the wire. B) Radial lines originating from the wire. C) Concentric circles centered on the wire. D) Straight lines perpendicular to the wire. Show Answer Correct Answer: C) Concentric circles centered on the wire. 7. When current flows downwards, the direction of magnetic field is A) Clockwise. B) Anticlockwise. C) All the above. D) None of the above. Show Answer Correct Answer: A) Clockwise. 8. The process by which changing magnetic field in a conductor induces as a current in another conductor is called as- A) Electromagnetic induction. B) Electromagnetic conduction. C) Electric induction. D) Current induction. Show Answer Correct Answer: A) Electromagnetic induction. 9. A soft iron bar is introduced inside the current carrying solenoid. The magnetic field inside the solenoid A) Will decrease. B) Will remains same. C) Will increase. D) Will become zero. Show Answer Correct Answer: C) Will increase. 10. A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is A) Towards south. B) Towards east. C) Downward. D) Upward. Show Answer Correct Answer: B) Towards east. 11. What is the unit of power? A) Ohms. B) Volts. C) Amps. D) Watts. Show Answer Correct Answer: D) Watts. 12. Direction of magnetic field produced by a current carrying loop can be found by using A) Fleming's Right hand rule. B) Clock Rule. C) Fleming's Left hand rule. D) Maxwell's corkscrew rule. Show Answer Correct Answer: B) Clock Rule. 13. Who discovered magnetic effects A) Newton. B) Orested. C) None. D) None of the above. Show Answer Correct Answer: B) Orested. 14. Which situations overloading can NOT occur in electrical circuits? A) Live wire and the neutral wire come into direct contact. B) By connecting too many appliances to a single socket. Overloading can occurs. C) By connecting heating devices in Lighting circuit. D) Suitable capacity of Conductors are used for proper electrical devices. Show Answer Correct Answer: D) Suitable capacity of Conductors are used for proper electrical devices. 15. If there is a circular coil having "n" turns, the field produced is A) "2n" times as large as that produced by a single turn. B) "n" times as large as that produced by a single turn. C) "n$^{2}$" times as large as that produced by a single turn. D) "n$^{3}$" times as large as that produced by a single turn. Show Answer Correct Answer: B) "n" times as large as that produced by a single turn. 16. What indicates that the magnetic field inside the solenoid is uniform A) Parallel straight lines. B) Current passing from north to south pole. C) Turning of the wire around the solenoid. D) Magnetic field around the solenoid in circular loop. Show Answer Correct Answer: A) Parallel straight lines. 17. Electric generator works on the principle of A) Electro magnetic induction. B) Conversion of energy to electricity. C) Magnetic effects of electric current. D) Heating effects of current. Show Answer Correct Answer: A) Electro magnetic induction. 18. A wire is parallel to the lines of the force of the magnetic field and the current flows in the wire. Then A) The wire will experience a force along the direction of the magnetic field. B) The wire will not experience any force. C) The wire will experience the torque. D) The wire will experience a perpendicular force. Show Answer Correct Answer: B) The wire will not experience any force. 19. The pattern of the magnetic field generated by a currentcarrying conductor depends on ..... A) Magnitude of Current. B) Geometry of Conductor. C) Material of Conductor. D) All of these. Show Answer Correct Answer: B) Geometry of Conductor. 20. What are the characteristics of magnetic field lines? A) Straight lines that connect the north and south poles directly. B) Continuous, closed loops that emerge from the north pole and enter the south pole, never intersecting each other. C) Lines that change direction randomly and do not follow a pattern. D) Discontinuous lines that intersect at random points. Show Answer Correct Answer: B) Continuous, closed loops that emerge from the north pole and enter the south pole, never intersecting each other. 21. In India we use AC in our households. How many times does it change its direction in one second? A) 50 times. B) 2 times. C) 100 times. D) 220 times. Show Answer Correct Answer: C) 100 times. 22. If a positively charged particle is moving towards east is deflected towards south by a magnetic field. The direction of the magnetic field will be ..... A) Towards north. B) Towards west. C) Upward. D) Downward. Show Answer Correct Answer: C) Upward. 23. According to right hand thumb rule the direction of magnetic field in a current carrying conductor is denoted by A) Thumb. B) Middle finger. C) Curl finger. D) First finger. Show Answer Correct Answer: C) Curl finger. 24. A compass needle is, in fact, a small ..... magnet. A) Circular. B) Bar. C) Horse shoe. D) Cylindrical. Show Answer Correct Answer: B) Bar. 25. Two parallel wires carry current in the same direction attract each other because of A) Potential difference between them. B) Mutual inductance between them. C) Electric forces between them. D) Magnetic forces between them. Show Answer Correct Answer: D) Magnetic forces between them. ← PreviousNext →Related QuizzesClass 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 1Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 2Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 3Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 4Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 5Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 6Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 7Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 8Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 9Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books