Important Questions [5]
- The Resistance of 11 is Connected in Right Gap. If Null Point is Obtained at a Distance of 45 Cm from the Left End, Find the Resistance of Metal Ring.
- An Unknown Resistance is Placed in the Left Gap and Resistance of 50 Ohm is Placed in the Right Gap of a Meter Bridge. the Null Point is Obtained at 40 Cm from the Left End. Determine the Unknown Resistance.
- When unknown resistance is determined by meter bridge, the error due to contact resistance is minimized ______.
- A Potentiometer Wire Has Length of 2m and Resistance 10ω. It is Connected in Series with Resistance 990ω and a Cell of E.M.F. 2v. Calculate the Potential Gradient Along the Wire.
- Explain the Principle of Potentiometer.
