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Science TNSB Mentoring
Class 9
Magnetism and electromagnetism
Electromagnetism: Induction, Devices, and Practical Applications
8.
Secondary current of a transformer
Question:
4
m.
A lossless transformer steps down
110
\(V\) to
22
\(V\) and operates a device having an impedance of \(220\)
Ω
. What is the primary current?
Answer
:
The primary current is
\(A\)
(
Enter up to three decimals
)
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