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Consider a cube ABCGHIJK of sides a plac...

Consider a cube ABCGHIJK of sides a placed in a uniform magnetic field B acting perpendicular to the face BHIC as shown in figure.

(i) What is the flux through face ABCG?
(ii) What is the flux through face GCIJ?
(iii) What is the flux through face AKJG?
(iv) What is the flux through face BHIC?

Text Solution

Verified by Experts

`phi = BA cos theta` (`theta` is the angle between the normal to area and B)
(i) `theta= 90^(@), phi= 0` (ii) `theta= 90^(@), phi 0` (iii) `theta= 180^(@), phi= -Ba^(2)` (iv) `theta= 0^(@), phi= +Ba^(2)`
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-Exercise (Very Short Answer Questions)
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  2. Does Lenz's law hold for an open circuit

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  4. Who discovered eddy current?

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  5. What is an ideal inductor?

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  6. Name the quantity that plays an identical role in an electrical circui...

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  8. Name two factors on which the self-inductance of an air-core coil depe...

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  9. What is the effect of metallic core on self inductance?

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  10. Why inductors are made of copper?

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  11. Name two factors on which mutual inductance between a pair of coils de...

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  12. If two coils are very tightly would one over the other, will M increas...

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  13. What are the dimensions of L/R?

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  14. Why the inductance per unit length for a solenoid near its centre is d...

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