Question 18
2.5 pts
A transformer has a

Question

Question 18
2.5 pts
A transformer has a primary coil with 200 turns and a secondary coil with 50 turns. If the
transformer has a power output of 38 watts and a secondary voltage of 10 V, what is the
primary current?
Round your answer to the nearest 0.1. Do not add units.

Kunduz · Accepted Answer

Sot"
ale
knou theut
No
P
/
Ng
Vs
No. of
Np ² No. of turn an primary
Coil
Ns =
turn in secondry
Coil
Up = Primary voltage. .
Vs - Secondary voltage
do
200
Ne
=) Vp=40V
,
U
50
lo
hle know
know that
Power = VI
-)
3
38
=40
=) I (current)
38
-0.95 A
Ho
@ 1.0
a
primary to current .= 1.0 A

Question 18 2.5 pts A transformer has a primary coil with 200 turns and a secondary coil with 50 turns. If the transformer has a