When electric current flows through the metal filament of a light bulb, electrical energy is converted to
A B C D
heat energy only. heat and light energy. light and motion energy. light energy only.
Question: When electric current flows through the metal filament of a light bulb, electrical energy is converted to
(A) heat energy only.
(B) heat and light energy.
(C) light and motion energy.
(D) light energy only.

Answer: (B) heat and light energy.
Answer: (A) heat energy only.
Question: When electric current flows through the metal filament of a light bulb, electrical energy is converted to
(A) heat energy only.
(B) heat and light energy.
(C) light and motion energy.
(D) light energy only.
Answer: (B) heat and light energy.