Higher Engineering Mathematics, Sixth Edition

Trigonometric waveforms 149

Current

i(A)

0

4

24

210

10

Time t (s)

T

i 25 10 sin t 1 4 sin( 2 t 1  2 )

4 sin( 2 t 1  2 )

10 sin t

3 T

4

T

4

T

2

Figure 14.34

100

 50

 20

20

50

32

(^0) Time t (s)
T
i 32 50 sin t20 sin( 2 t  2 )
50 sin t20 sin( 2 t  2 )
20 sin( 2 t  2 )
50 sin t
3 T
4
T
4
Current
i(mA)
T
2
Figure 14.35