The electronic component represented by the symbol in the image is a Rheostat. Let's examine the symbol and explain why this is the correct answer.

A rheostat is a type of variable resistor which is used to control current. It is symbolized in circuit diagrams by a resistor symbol with an arrow across it, indicating adjustable resistance.

Here is the reasoning for the options given:

• Switch: A switch is represented by symbols that depict an open or closed circuit. It does not have any resemblance to the rheostat symbol with an arrow.
• Rheostat: Correct as explained. The symbol shown matches the standard representation of a rheostat.
• Battery: Batteries are represented by alternate long and short lines, indicating positive and negative terminals, not by a line with an arrow through it.
• Resistor: A resistor is denoted by a zigzag line (in American standards) or a rectangle (in European standards) without the arrow across it.

In conclusion, the symbol depicted in the image is characteristic of a rheostat, validating it as the correct component among the options provided.