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Prove that magnetic moment of a hydrogen...

Prove that magnetic moment of a hydrogen atom in its ground state is `eh//4pim`. Symbols have their usual meaning.

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CBSE COMPLEMENTARY MATERIAL-UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT-SHORT ANSWER QUESTIONS (2 Marks)
  1. At a place horizontal component of the earths magnetic field is B and ...

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  2. A galvanometer coil has a resistance G. 1% of the total current goes t...

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  3. Prove that magnetic moment of a hydrogen atom in its ground state is e...

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  4. Each of conductors shown in figure carries 2A of current into or out o...

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  5. What is the radius of the path of an electron (mass 9 xx 10^(-31) kg a...

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  6. Why is it necessary for voltmeter to have a higher resistance?

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  7. A DC ammeter cannot measure alternating current because

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  8. Define the term: magnetic dipole moment of a current loop. Write the e...

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  9. An ac source of rms voltage V is put across a series combination of an...

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  10. A bar magnet is falling with some acceleration ‘a’ along the vertical ...

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  11. The series L–C–R circuit shown in fig. is in resonance state. What is ...

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  12. The division marked on the scale of an a.c. ammeter are not equally sp...

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  13. Circuit shown here uses an air filled parallel plate capacitor. A mica...

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  14. In the figure shown, coils P and Q are identical and moving apart with...

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  15. An electron is passing through a field but no force is acting on it. U...

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  16. A 1.5 muF capacitor is charged to 57V. The charging battery is then di...

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  17. The self inductance of the motor of an electric fan is 10H. In order t...

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  18. A galvanometer needs 50mV for full scale deflection of 50 Divisions. F...

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  19. A light bulb and an open coil inductor are connected to an ac source t...

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  20. Show that in the free oscillations of an LC circuit, the sum of energi...

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