Question

1. what is the name of this symbol?

Explanation:

The symbol shown (a rectangle on a horizontal line, often representing a resistor in circuit diagrams) is a resistor symbol in the context of physics (a subfield of Natural Science). Resistors are fundamental components in electrical circuits, and this is the standard schematic symbol for a resistor.

Answer:

Resistor (in the context of Physics, a subfield of Natural Science)