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Select correct statement about Lenz's la...

Select correct statement about Lenz's law

A

It explains the physical significance of the negative sign in Faraday's law

B

It is a consequence of conservation of energy

C

It speaks about the transformation of mechanical energy into electrical energy

D

All of these

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. A conducting ring of radius ris placed perpendicularly inside a time v...

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  2. In a circuit with a coil of resistance 2Omega, the magnetic flux chan...

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  3. Select correct statement about Lenz's law

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  4. As shown in the figure, à magnet is moved with a fast speed towards a ...

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  5. A magnet N-S is suspended from a spring and while at oscillates, the m...

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  6. As shown in figure, P and Q are two co-axial conducting loops separate...

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  7. Two different loops are concentric and lie in the same plane. The curr...

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  8. The direction of induced currnet in the right loop in the situation sh...

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  9. An aluminium ring B faces an electromagnet A. The current I through A ...

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  10. A conducting wire frame is placed is placed in a magnetic field which ...

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  11. A vertical rod of length l is moved with constant velocity v towards e...

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  12. The current carrying wire and the rod AB are in the same plane. The ro...

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  13. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

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  14. A rod AB slides on a V shaped wire with speed v as shown, such that at...

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  15. if given arrangement is moving towards left with speed v, then potenti...

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  16. A conducting rod is rotated about one end in a plane perpendicular to ...

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  17. A semicircular loop of radius R is rotated with an angular velocity om...

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  18. A force of 10N is required to move a conducting loop through a non-uni...

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  19. A flexible wire bent in the form of a circle is placed in a uniform ma...

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  20. Radius ol a circular luop placed in a perpendicular uniform magnetic f...

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