Across
- 4. De-Broglie equation states
- 7. Number of electrons in the valence shell of a semiconductor
- 8. Rutherford is the unit of
- 9. Earth’s magnetism was discovered by
- 13. Name the physical quantity whose S.I. unit is JC-1
- 14. SI unit of electric potential energy
- 15. Radio waves from an antenna travel with the velocity of.
Down
- 1. State the underlying principle of a transformer.
- 2. The current which is used in choke as resistance.
- 3. Natural radioactivity was discovered by
- 5. Who first demonstrated the existence of electromagnetic waves
- 6. Light Year is the unit of
- 10. The most suitable alloy for making permanent magnet
- 11. Emf is measured in
- 12. The current which is blocked by the capacitor.