1. The value of drift velocity, electronic charge is very very small but there is significant flow of current. Why? 2. If the potential difference is kept constant, what will happen to the drift velocity if length is doubled? 3. If the length of wire is increased by double. What happens to its resistance and resistivity? 4. The electronic charge is very small, the drift velocity is also small but there is significant flow of current. Why? 5. Hall voltage is much more significant in semiconductors, Why? 6. Thermo couple isnt used to measure the emf above neutral temperature. Why? 7. What is end error in P.O. Box.? How can it be minimized? 8. Voltameter is used to measure the current more correctly than ammeter. Why? 9. Potentiometer is ideal voltmeter. Why? 10. How can you increase the sensitivity of potentiometer?
Posted on: Tue, 27 Jan 2015 03:24:00 +0000