Solve for U, V, I, A, R
U=0\text{, }V=0\text{, }I\neq 0\text{, }A=\frac{I}{16}\text{, }R=0
U=\frac{R}{I}\text{, }V\neq 0\text{, }I=\frac{R}{220V}\text{, }A=\frac{I}{16}\text{, }R\neq 0
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