Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Electromagnetic Oscillations and Alternating Current Alternating Current
The variation of EMF with time for four types of generators is shown in the figures. Which amongst them can be called AC?
1
(a) and (b)
2
only (a)
3
(a) and (d)
4
(a), (b), (c), (d)