Physics 9702 · AS & A Level · Potential dividers

Potential dividers — practice question

A circuit contains a battery, a voltmeter and five fixed resistors, as illustrated. The voltmeter shows a reading of zero. What is the resistance of resistor $R$?

  • A$1.1\,\Omega$
  • B$2.1\,\Omega$
  • C$4.0\,\Omega$
  • D$8.0\,\Omega$

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