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A 50 Hz AC current of crest value 1 A fl...

A 50 Hz AC current of crest value 1 A flows through the primary of a transformer. If the mutual inductance between the promary and secondary be 0.5 H, the creast voltage induced in the secondary is

A

125 V

B

100 V

C

157 V

D

50 V

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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-III
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  2. A metal rod of resistance R is fixed along a diameter of a conducting ...

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  3. An annular disc of copper with inner and outer radii r and R is rotati...

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  4. A rectangular loop with a sliding connector of length l=10m is the si...

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  5. A squre loop of side a is placed in the same plane as a long stainght ...

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  6. A square metal wire loop of side 20 cm and resistance 2Omega is moved ...

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  7. IN a retangle ABCD (BC = 2AB). The moment of inertia along which aix...

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  8. A rectangulare loop of length l and breadth b is placed at distance of...

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  9. A conducting square frame of side .a. and a long straight wire carryin...

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  10. If current is decreasing at a rate of 1000 As^(-1) p.d. between A and ...

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  11. A coil is wound on a rectangular frame. Keeping the number of turns pe...

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  12. When the current in the portion of the circuit shown in the figure is...

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  13. A small square loop of wire of side l is placed inside a large square ...

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  14. The coefficient of mutual induction between two coils is 4H. If the cu...

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  15. A 50 Hz AC current of crest value 1 A flows through the primary of a t...

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  16. Two coils have self-inductance L(1)=4mHandL(2)=1mH respectively. The c...

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  17. A short-circuited coil is placed in a time-varying magnetic field. Ele...

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  18. Shown in the figure is a circular loop of radius, r and resistance R. ...

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  19. A uniform magnetic field is restricted within a region of radius r. Th...

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  20. A magnetic flux through a stationary loop with a resistance R varies d...

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