In which of the following activities is an induction coil not useful?
A
Investigation of high voltages
B
Study of electric discharge
C
Operation of X-ray tubes
D
A.C. power transmission
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #49869)