Physics 9702 · AS & A Level · Practical circuits

Practical circuits — practice question

The diagram illustrates a circuit containing a light-dependent resistor (LDR). The ammeter shows a current of zero. What is the resistance of the LDR?

  • A$6.0\,\text{k}\Omega$
  • B$18\,\text{k}\Omega$
  • C$26\,\text{k}\Omega$
  • D$30\,\text{k}\Omega$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI