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The material suitable for making electro...

The material suitable for making electromagnets should have

A

High retentivity and high coercivity

B

Low retentivity and low coercivity

C

High retentivity and low coercivity

D

Low retentivity and high coercivity

Text Solution

Verified by Experts

The correct Answer is:
C
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NTA MOCK TESTS-NTA NEET SET 114-PHYSICS
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  3. The material suitable for making electromagnets should have

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  4. The light bulb A & B in the following circuits are identical. When the...

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  5. A battery of internal resistance 4Omega is connected to the network of...

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  6. Three non-conducting large parallel plates have surface charge densiti...

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  7. A very long uniformly charged rod falls with a constant velocity V thr...

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  8. A uniform but time varying magnetic field exists in cylindrical region...

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  9. (Figure 3.139) shows three circular arcs, each of radius R and total c...

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  10. Average density of the earth

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  11. Two identical blocks of mass m are suspended from a beam balance whose...

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  12. The spectral emissive power E(lambda) for a body at temperature T(1) i...

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  13. An engineer claims to have made an engine delivering 10 kW power with ...

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  14. P - V diagram of an ideal gas is as shown in figure. Work done by the ...

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  15. A magnetic dipole is under the influence of two magnetic fields. The a...

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  16. An electron entering field normally with a velocity 4 xx 10^7 ms^(-1) ...

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  17. A body falls freely for 10 s. Its average velocity during this journey...

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  18. A body is projected at time t = 0 from a certain point on a planet's s...

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  19. Two blocks of masses m1 = 4 kg and m2 = 2 kg are connected to the ends...

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