Positive SSL
1 某電壓v(t)= 42 + 6sin377t (V),v(t)之最大值為何?
A 11.66V
B 10.66V
C 6.66V
D 5.66V

sinθ最大值=1

v(t) 最大值 = `v(t)= 4sqrt(2) + 6 =11.656V`