Q7.21Multiple choice
A device ‘X’ is connected to an a.c source. The variation of voltage, current and power in one complete cycle is shown in Fig 7.5.
This question refers to a figure in the original PDF.
- (a)Which curve shows power consumption over a full cycle?
- (b)What is the average power consumption over a cycle?
- (c)Identify the device ‘X’. v, i, P Fig. 7.5