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Physics
Problem
Which of the following relations correctly gives the ratio of rms voltages to the ratio of turns in an ideal transformer? a)
V
1
V
2
=
N
2
N
1
\dfrac{V_1}{V_2}=\dfrac{N_2}{N_1}
V
2
V
1
=
N
1
N
2
b)
V
1
V
2
=
I
1
I
2
\dfrac{V_1}{V_2}=\dfrac{I_1}{I_2}
V
2
V
1
=
I
2
I
1
c)
V
1
V
2
=
N
1
N
2
\dfrac{V_1}{V_2}=\dfrac{N_1}{N_2}
V
2
V
1
=
N
2
N
1
d)
V
1
V
2
=
(
N
1
N
2
)
2
\dfrac{V_1}{V_2}=\left(\dfrac{N_1}{N_2}\right)^2
V
2
V
1
=
(
N
2
N
1
)
2
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