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What is the condition for wattless curre...

What is the condition for wattless current?

A

L=0

B

C=0

C

R=0

D

L=C

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UNITED BOOK HOUSE-MODEL PAPER SET-13-EXERCISE
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  2. The self inductance of a long solenoids L. Another solenoid is' taken ...

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  3. What is the condition for wattless current?

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  5. A telescope is such that the power of its two lenses be 0.5D and 20D r...

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  6. What is the momentum of a photon of frequency gamma and wavelength lam...

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  7. What is the velocity of electrons in'the first Bohr Orbit of Hydrogen ...

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  8. What is the unit of mu0 (free space permeability)?

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  9. Is it possible for a static charge to produce a magnetic field?

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  10. A coil of metal wire is stationary in a non-uniform magnetic field. Is...

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  11. What is the power and focal length- of a parallel glass slab?

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  12. A person uses glass of power '+2D. He is suffering from-

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  13. What is the condictivity a semiconductor at absolute zero.

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  14. The magnetic field at the centre of a loop of radius carrying current...

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  15. Arrange the following in the ascending order of the wave lengths— X-ra...

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  16. The Ground state energy for Hydrogen atom is -13.6eV :What will be th...

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  17. What will be the height of the antena to transmit the TV signal to a d...

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  18. An object has charge of 80mu c. What is the number of excess electrons...

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  19. What is the total amount of work to rotate a charge in the static elec...

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  20. Wb//m^2isthe unit of which physical Quantity?

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