In which of the following activities is an induction coil...
In which of the following activities is an induction coil not useful?
Investigation of high voltages
Study of electric discharge
Operation of X-ray tubes
A.C. power transmission
Correct answer is D
No explanation has been provided for this answer.
The resistance of a pieces of wire of length 20m are crossed-sectional area 8 x 10 -6m2is? [Res...
lf Einstein’s photoelectric equation is represented by hf - W = Φ where h is Planck’s constant,...
The photocell works on the principle of the ...
A calibrated potentiometer is used to measure the e.m.f. of a cell because the ...