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Give an example for a ferromagnetic subs...

Give an example for a ferromagnetic substance.

A

Aluminum

B

Gold

C

Nickel

D

Copper

Text Solution

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(PHYSICS)
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  2. A line joining places of equal declinaiton is called

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  3. Give an example for a ferromagnetic substance.

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  4. The unit of magnetic induction B in SI is :

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  5. Light waves can be polarised as they are

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  6. Which one of the following is true?

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  7. Two monochromatic coherent point sources S(1) and S(2) are separated b...

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  8. A source of sound gives five beats per second when sounded with anothe...

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  9. Two identical stringed instruments have a frequency of 100 Hz. The ten...

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  10. Speed of sound in a gas is v and rms velocity of the gas molecules is ...

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  11. A source frequency f gives t beats when sounded with a frequency 200Hz...

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  12. In a parallel arrangement if (R1 gt R2), then the power dissipated in ...

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  13. A uniform insulating rod of length L moves with a velocity bar(upsilon...

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  14. Energy required to store a current line an inductor L is

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  15. In a LCR circuit having L=8.0 henry, C=0.5 mu F and R=100 ohm in serie...

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  16. L, C and R represent the physical quantities inductance, capacitance a...

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  17. The number of turns in the primary and secondary turns of a transforme...

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  18. The photoelectric threshold frequency for potassium is 3 xx 10^(14) Hz...

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  19. Which of the following are not electromagnetic waves ?

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  20. A transistor is used as

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