Answer: Series.
- A Parallel
- B Series
- C Either way
- D Between batteries
Correct answer: B. Series
Explanation: Ammeter measures current and must be connected in series so that all the current flows through it.
In series, the same current flows through both resistors; in parallel, the current splits between branches and the voltage across each resistor is the same.
Concept context
Ohm's law, resistors, Kirchhoff's laws, Wheatstone bridge, and cells.