抵抗器

1. Origins, structure, and basic meaning

• Structure: 抵抗器 is read as ていこうき and is a noun for a resistor, an electrical component that limits current in a circuit.
• Basic usage: Installing a resistor in a circuit appears in 抵抗器を回路に取り付ける, while replacing a scorched resistor appears in 抵抗器を交換する.

2. Common pitfalls and similar expressions

• Distinction from 抵抗
  • 抵抗器 is the physical component installed in a circuit, whereas 抵抗 refers to electrical resistance or its value.