Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

100 W
20 W
1000 W
200 W
None of these

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Electronic Principles
What is a negative ion?

None of these
An atom that contains more protons than electrons
An atom that contains more electrons than neutrons
An atom that contains more protons than neutrons
An atom that contains more electrons than protons

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