Jawaban:

Hello, kk coba bantu jawab yaa!

Which of the following part of the bulb will glow when the bulb is connected to a battery to form a closed circuit?

= B

➡️ The glass part of the light bulb is a casing for a thin wire called a filament. Most of the air is removed from the bulb and replaced with an oxygen-free gas (inert) to prevent the filament from oxidizing (burning up) when it gets hot and glows. The filament is also part of the closed circuit.

Which of the following materials are conductors of electricity?

= (1) A and C Only

➡️ Some common conductors are copper, aluminum, gold, and silver. Some common insulators are glass, air, plastic, rubber, and wood.

Note : Konduktor berarti yang dapat menghantarkan listrik.