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Choose the incorrect statement...

Choose the incorrect statement

A

Fleming's right hand rule is a simple rule to know the directon of induced current.

B

The right hand thumb rule is used to find the direction of magnetic field due to the current carrying conductors.

C

The difference between the direct and alternating currents is that the direct current always flows in one direction, whereas the alternating curent reverse is direction periodically.

D

in India, the AC changes directon after every `1/50` second.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
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  2. In the arrangement shown in figure there are two coils wound on a non ...

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  3. Choose the incorrect statement

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  5. The most important safety method used for protecting home appliances f...

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  6. A high energy electron enters into a strong magnetic field which is pe...

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  7. A rectangular coil of coper wire is rotated in a magnetic field. The d...

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  8. Commercial electric motors do not used:

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  9. A particle is moving towards east enters in a magnetic field directed ...

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  10. A charged particle moves thorugh a uniform magnetic field perpendicula...

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  11. The magnetic field lines inside a long current carrying solenoid are n...

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  12. An AC generator is connected to an electrical appliances. In 10 revolu...

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  13. An electron enters in a magnetic field at right angle to its shown in ...

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  14. The magnetic field at the centre of a current carrying circular coil d...

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  15. The direction of magnetic field at a point near a current carrying con...

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  17. An induced emf is produced when a magnet is plunged into a coil. The m...

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  18. The frequency of AC means in India is

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  19. An electrical bulb rated 220 V is connected to 220v, 5Hz AC source. Th...

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  20. When a charged particle moves perpendicular to a magnetic field, then

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