
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system

Consider the power source and measuring instruments in the given circuit as ideal. Determine how the readings of the instruments will change if the voltmeter and ammeter are swapped. It is known that the voltage provided by the power source is $U_{0} = 45$ V, the resistances are $R = 50 \, \Omega$ and $r = 20 \, \Omega$.

Present the answer in LaTex format: \boxed{Your answer}
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