Physics 9702 · AS & A Level · Practical circuits

Practical circuits — practice question

A source with an e.m.f. of $9.0\,\text{mV}$ and an internal resistance of $6.0\,\Omega$ is connected across a galvanometer whose resistance is $30\,\Omega$. What will be the current in the galvanometer?

  • A$250\,\mu\text{A}$
  • B$300\,\mu\text{A}$
  • C$1.5\,\text{mA}$
  • D$2.5\,\text{mA}$

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