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Nda physics quiz magnetic effects of electronic current

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Question 1. For which among the following house appliances, magnet is an essential part?   (NA)






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Question 2. The torque on a rectangular coil placed in a uniform magnetic field is large when the   (NA)






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Question 3. The polarity of an unmarked horse shoe magnet can be determined by using   (NA)







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Question 4.





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Question 5. A positively charged particle projected towards west is deflected towards North by a magnetic field. The direction of the magnetic field is   (NA)






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Question 6. A current carrying wire is known to produce magnetic lines of force around the conducting straight wire. The direction of the lines of force may be described by   (NA)




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Question 7. Gravitational force shares a common feature with electromagnetic force. In both cases, the force is   (NA)






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Question 8. Imagine a current carrying wire with the direction of current downward or into the page. The direction of magnetic field lines is   (NA)





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Question 9. A positively charged particle projected towards west is deflected towards North by a magnetic field. The direction of the magnetic field is   (NA)





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Question 10. The phenomenon of electromagnetic induction implies a production of induced   (NA)