Answer:
The name of the components of the given labelled circuit is:
The box like figure in the given image is the battery source from where the current drawn into the circuit.
A string connecting positive terminal of battery to the bulb is an electric wire through which current flows in the circuit.
A bubble like object in the circuit is a bulb which lights up when current moves through the circuit.
A component connected to the negative terminal of batter source is a switch.
Then open circuit is an open as the key of the switch is open.
Circled plus sign adds another worksheet
If this is the full question " <span>Which of the following formulas is equivalent to =SUM(A1:A3)?
A. =A1+A3
B. =A1+A2+A3
B. =A2
D. =A3-A1"
The answer is </span>
<span>B. =A1+A2+A3 formulas is equivalent to =SUM(A1:A3)</span>
