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State Biot Savarts law. Write down the e...

State Biot Savarts law. Write down the expression of magnetic field at the centre of a current carrying circular coil of N turns.

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UNITED BOOK HOUSE-MODEL PAPER SET-07-EXERCISE
  1. Find the capacitance of a parallel plate capacitor.

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  2. The unit of which physical quantity corresponds to J//C ? Is it scalar...

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  3. An electric dipole consists of two charges +- 20 xx 10^-6 C separated...

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  4. State Biot Savarts law. Write down the expression of magnetic field at...

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  5. In Young’s Double Slit experiment, the: two sources, haye intensities ...

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  6. Establish Einstein’s equation in photo-electric effect.

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  7. The ground state energy of hydrogen atom is - 13.6 eV:- What does nega...

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  8. The ground state energy of hydrogen atom is - 13.6 eV:- What is the en...

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  9. How is the p-n junction, used as a half wave rectifier and draw the in...

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  10. Emitter base connection is kept in forward bias — why?

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  11. Write down Kirchhoff’s laws from electric circuit.

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  12. A resistance 1000 Omega is connected to a 100 V supply line. A voltmet...

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  13. A Wheatstone network ABCD contains equal resistances P in the arms AB ...

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  14. A household circuit has a fuse 5A rating. Calculate the maximum number...

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  15. Show the dimension of L/R is equal to the dimension of time.

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  16. State Faraday’s laws in electromagnetic induction.

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  17. Prove for an a.c. circuit Vr.m.s. = V0/sqrt2, where V0= peak value of ...

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  18. A rectangular coil of area 50 xx 10^-4m^2 has 100 turns. A magnetic fi...

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  19. Focal lengths of two thin lenses kept in contant are f1 and f2. Prove ...

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  20. A particle executes simple harmonic motion along principle axis of a c...

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