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A wire of length .2l. is bent at midpoin...

A wire of length .2l. is bent at midpoint so that angle between the two halves is `60^(@)`. If it moves as shown with velocity .V. in a magnetic field .B.. The induced emf with be

A

Blv, P at high potential and Q at low potential

B

2Blv, P at high potential and Q at low potential

C

Blv, Q at high potential and P at low potential

D

2Blv, from Q at high potential and P at low potential

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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-III
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  2. A square coil of side 0.5 m has movable sides. It is placed such that ...

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  3. A wire of length .2l. is bent at midpoint so that angle between the tw...

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  4. A vertically ring of radius r and resistance R falls vertically. It is...

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  5. A horizontal wire is freee to slide on the vertical rails of a conduct...

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  6. A metal rod of resistance R is fixed along a diameter of a conducting ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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