A transformer has 500. primary turns and 10.0 secondary turns. (a) If Vp is 120.V(rms), what...
A transformer has 500. primary turns and 10.0 secondary turns. (a) If Vp is 120.V(rms), what is Vs? If the secondary now has a resistive load of 10.0Ω, what is the current in the (b) secondary and (c) primary?
Homework Answers
a) for the secondary voltage
Vs/Vp = Ns/Np
Vs/120 = 10/500
Vs = 2.4 V
the secondary voltage Vs is 2.4 V
b)
current in secondary = Vs/Resistance
current in secondary = 2.4/(10)
current in secondary = 0.24 A
the current in secondary is 0.24 A
c)
for the priamry current
as Vs * Is = Vp * Ip
0.24 * 2.4 = 120 * Ip
Ip = 0.0048 A
the current in the primary is 0.0048 A
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