[tex]\tt{\huge{\blue{Explanation:}}}[/tex]
The voltage across the elements in a circuit is given by
[tex]\boxed{V = IR}[/tex]
where:
I = current
V = voltage
R = resistance
[tex]\tt{\huge{\red{Solution:}}}[/tex]
Solving for the voltage
V = IR
V = ([tex]2 \times 10^{-3}[/tex] A)(900 ohm)
[tex]\boxed{V = \text{1.8 V}}[/tex]
Therefore, the voltage output of the adaptor is 1.8 V.
[tex]\\[/tex]
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