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(D) The circuit consists of two parallel branches connected to a $200 \ V$ $DC$ source. Each branch contains two resistors of $100 \ \Omega$ each in s

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(D) The circuit consists of two parallel branches connected to a $200 \ V$ $DC$ source. Each branch contains two resistors of $100 \ \Omega$ each in series.Let the potential at the top terminal be $200 \ V$ and at the bottom be $0 \ V$.For the left branch,the potential at point $x$ is determined by the voltage divider rule: $V_x = 200 	imes \frac{100}{100 + 100} = 100 \ V$.For the right branch,the potential at point $y$ is determined by the voltage divider rule: $V_y = 200 	imes \frac{100}{100 + 100} = 100 \ V$.The potential difference between $x$ and $y$ is $V_{xy} = V_x - V_y = 100 \ V - 100 \ V = 0 \ V$.

For the given circuit,the potential difference between $x$ and $y$ is ......... (in $V$)

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