Video Transcript
The diagram shows an electric
circuit consisting of a cell and a bulb. Fill in the blank. In order to measure the current
through the bulb, an ammeter must be connected blank with the bulb. Is it (A) in parallel or (B) in
series?
Let us consider what we mean by a
serial connection and a parallel connection. A serial connection is for
components that are connected in series. A parallel connection is for
components that are connected in parallel.
When an ammeter is used to measure
an electric current in a component, the ammeter and the component must be connected
in series. If the ammeter is connected in
parallel to the component, it will not correctly measure the electric current in the
component. The correct answer is option
(B). The ammeter must be connected in
series.
