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Physics
Physics
Problem
An alternating voltage is represented by
v
(
t
)
=
110
2
sin
(
100
π
t
+
30
∘
)
V
v(t)=110\sqrt2\,\sin(100\pi t+30^{\circ})\,\text{V}
v
(
t
)
=
110
2
sin
(
100
π
t
+
3
0
∘
)
V
, where
t
t
t
is in seconds. Determine the instantaneous voltage at
t
=
2.0
ms
t=2.0\,\text{ms}
t
=
2.0
ms
. a)
1.0
×
10
2
V
1.0\times10^{2}\,\text{V}
1.0
×
1
0
2
V
b)
1.7
×
10
2
V
1.7\times10^{2}\,\text{V}
1.7
×
1
0
2
V
c)
1.4
×
10
2
V
1.4\times10^{2}\,\text{V}
1.4
×
1
0
2
V
d)
7.9
×
10
1
V
7.9\times10^{1}\,\text{V}
7.9
×
1
0
1
V
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