Question

An electrical bulb glows because electrical energy changes into

• A. light energy first
• B. heat energy first
• C. chemical energy first
• D. none of these

Answer 1

The correct option is B

heat energy first

1. Light bulb glows due to the passage of electric energy. It is based on the law of conservation of energy.
2. Charge flown is converted into heat energy first then light .

Hence option (b) is the correct option.