Home
Class 12
PHYSICS
Two students ‘X’ and ‘Y’ perform an expe...

Two students ‘X’ and ‘Y’ perform an experiment on potentiometer separately using the circuit given: Keeping other parameters unchanged, how will the position of the null point be affected it
(i) X’ increases the value of resistance R in the set-up by keeping the key `K_1` closed and the key `K_2` open?
(ii) Y’ decreases the value of resistance S in the set-up, while the key `K_2` remain open and the key `K_1` closed? Justify.

Promotional Banner

Topper's Solved these Questions

  • DC CIRCUIT

    VMC MODULES ENGLISH|Exercise LEVEL-0 LONG ANSWER TYPE|3 Videos

  • DC CIRCUIT

    VMC MODULES ENGLISH|Exercise LEVEL-1 DAILY TUTORIAL SHEET-1|15 Videos

  • DC CIRCUIT

    VMC MODULES ENGLISH|Exercise LEVEL-0 SHORT ANSWER TYPE|9 Videos

  • CURRENT ELECTRICITY

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-F|10 Videos

  • DYNAMICS OF A PARTICLE

    VMC MODULES ENGLISH|Exercise JEE Advance (Archive) Level - II (SINGLE OPTION CORRECT TYPE )|31 Videos

Similar Questions

Explore conceptually related problems

Two students X and Y perform an experiment on potentiometer separating using the circuit diagram shown here. Keeping other things unchanged (i) X increases the value of resistance R. (ii) Y decreases the value of resistance S in the set up. How would these changes affect the position of the null point in each case and why?

Find the ratio ofcurrents as measured by ammeter in two cases when the key is open and when the key is closed :

In the metrebridge experiment , the null point is obtained at N. The value of unkonw resistance X will be .

In a metre bridge experiment to determine unknown resistance of a coil, how is position of the null point affected if: (i) Galvanometer and cell are interchanged? (ii) Known and unknown resistances are interchanged?

The circuit shown has resistor of equal resistance R. Find the equivalent resistance between A and B, when the key is closed.

The diagram alongside shows a circuit with the key k open. Calculate : the resistance of the circuit when the key k is open.

The diameter of a stretched string is increased 3%, keeping the other parameters constant then the velocity is x% decreases what is the value of x ?

In the circuit given in tigure, 1 and 2 are ammeters. Just after key K is pressed to complete the circuit the reading will be

The diagram above shows a circuit with the key k open. Calculate : the resistance of the circuit when the key k is closed.

In the following· experiment the rheostat is at a fixed resistance and the resistance R in the ohm box is increased in steps while switching on the key: