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Which of the following does not use the ...

Which of the following does not use the application of eddy current?

A

Induction furnace

B

Galvanometer damping

C

Speedometer of automobiles

D

X-ray crystallography

Text Solution

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The correct Answer is:
D
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DC PANDEY ENGLISH-ELECTROMAGNETIC INDUCTION-Check point
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  2. A solenoid has 2000 turns would over a length of 0.30 m. The area of i...

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  3. A 50 mH coil carries a current of 2 ampere. The energy stored in joule...

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  4. In an inductor of inductance L=100mH, a current of I=10A is flowing. T...

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  5. Two pure inductors each of self-inductance L are connected in parallel...

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  6. Two coils X and Y are placed in a circuit such that when the current c...

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  7. Two coils have a mutual inductance 0.005 H. The current changes in the...

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  8. The mutual inductance between a primary and secondary circuit is 0.5H....

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  9. The coefficient of mutual induction between two circuits is equal to t...

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  10. Two circuits have coefficient of mutual induction of 0.09 henry. Avera...

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  11. A varying current at the rate of 3A//s in a coil generates an e.m.f. o...

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  12. A solenoid is placed inside another solenoid, the length of both being...

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  13. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

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  14. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

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  15. An ideal coil of 10 henry is joined in series with a resistance of 5 o...

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  16. An L-R circuit has a cell of e.m.f. E , which is switched on at time t...

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  17. During current growth in an L-R circuit the time constant is the time ...

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  18. An LR circuit with a battery is connected at t=0. Which of the follow...

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  19. Eddy current are produce when

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  20. Which of the following does not use the application of eddy current?

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