Physics 9702 · AS & A Level · Potential difference and power

Potential difference and power — practice question

Four resistors with the same value are connected as shown. How do the powers dissipated by the resistors change when resistor W is removed?

  • AThe powers to X, Y and Z will all increase.
  • BThe power to X will decrease and the powers to Y and Z will increase.
  • CThe power to X will increase and the powers to Y and Z will decrease.
  • DThe power to X will increase and the powers to Y and Z will remain unaltered.

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