Question: A model - train transformer plugs into 1 4 0 VV ac and draws 0 . 3 9 AA while supplying 8 . 9 AA

A model

-

train transformer plugs into

140

VV ac and draws

0.39

AA while supplying

8.9

AA to the train.

Part A

What voltage is present across the tracks?

Express your answer using two significant figures.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

=

A model - train transformer plugs into 1 4 0 VV

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