A calibrated potentiometer is used to measure the e.m.f. ...
A calibrated potentiometer is used to measure the e.m.f. of a cell because the
internal resistance of a cell is small compared with that of the potentiometer
potentiometer has a linear scale
potentiometer takes no current from the cell
resistance of the potentiometer is less than that of a voltmeter
Correct answer is C
No explanation has been provided for this answer.
Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pres...
If a heavy barrel is rolled up a plane inclined at 30° to the horizontal. its velocity ratio wil...
What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)? ...
Which of the following statements about defects of vision is/are CORRECT? i. for a long sighted p...
Nuclear fission is preferred to nuclear fusion in the generation of energy because? ...
Which of the following devices does not makes use of eddy current for its action? A/An ...