Physics, asked by Mohitkhan291, 10 months ago

Why should the current be not passed through potentiometer wire for a long time?

Answers

Answered by ashwini91

Answer:

Passing current through the the potentiometer wire for a long time, raises its temperature and potential drop per unit length of the potentiometer wire does not remain constant, and this introduces an avoidable source of error in the experiment.

Explanation:

Hope it helps you

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

fell no teachers in view the . protfolio Activity: Keeping aguiling principles of NCF 2005, create a learner centered incluine learning Experience for long wage Mathematics / Environmental Soence Science / Social . Also for inclusive classrooms. the concerns for learning and assessment .

Math, 5 months ago

sum of a number and its receprocal is 13/6 . what is the number...

English, 5 months ago

1,18,21,14,1 It's my name. find me in spelling ...

Physics, 10 months ago

Standard cell of 1.2 V is balanced at the length of 2.40 m in potentiometer. Find out the balancing length for the potential difference across 3.5 Ω resistance where 0.2 A current is flowing through it, also find out potential gradient. [x = 0.5V/m, l = 1.40 m]...

Social Sciences, 10 months ago

(i) Why does a piece of steel sink in water but float on mercury ? (ii) If a bowl is formed from the same steel piece then it can float in water. Why ?

Math, 1 year ago

Hi friends solve this question please...

Math, 1 year ago

find the area of right angled triangle whose hypotenuse is 1.3 M and altitude is 1.2 metre...

Music, 1 year ago

Suggest some good institues for edm or dj courses.