Podcast
Questions and Answers
What are the two terminals of a lamp?
What are the two terminals of a lamp?
- Glass bulb and base
- Glass bulb and metal stem
- Base and central contact (correct)
- Inert gas and filament
Which type of battery has the inscription '1.5 V' and a small metal stem on its positive pole?
Which type of battery has the inscription '1.5 V' and a small metal stem on its positive pole?
- Rectangular battery
- Flat battery
- Cylindrical battery (correct)
- Rechargeable battery
What is the function of a filament in a lamp?
What is the function of a filament in a lamp?
- To regulate the flow of electricity
- To hold the glass bulb in place
- To allow electricity to enter or leave the lamp
- To emit light when heated (correct)
Where can a flat battery with the inscription '4.5 V' typically be found?
Where can a flat battery with the inscription '4.5 V' typically be found?
Which component in a lamp holds the inert gas?
Which component in a lamp holds the inert gas?
What is the polarity of the smaller circular pole and the larger hexagonal pole mentioned in the text?
What is the polarity of the smaller circular pole and the larger hexagonal pole mentioned in the text?
What is the purpose of a switch in an electric circuit?
What is the purpose of a switch in an electric circuit?
What does the brightness of the lamp depend on in an electric circuit?
What does the brightness of the lamp depend on in an electric circuit?
Why is it mentioned in the text that if you keep your battery working, it will die soon?
Why is it mentioned in the text that if you keep your battery working, it will die soon?
What happens to the lamp when a switch is open in an electric circuit?
What happens to the lamp when a switch is open in an electric circuit?
Flashcards are hidden until you start studying
