Question
Why do bulbs have two terminals?
✓
Answer
Bulb has two terminals to connect the filament with the terminals of a cell or a battery so that the current can pass through the filament.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is threshing? How is it done?
What is the difference between creepers and climbers?
What did people use to detect fever before thermometers were developed?
Which type of movement would have been possible if:
We were to have a ball and socket joint between our neck and head.
We were to have a ball and socket joint between our neck and head.
While a mechanic was repairing a gadget using a screw driver, the steel screws kept falling down. Suggest a way to solve the problem of the mechanic on the basis of what you have learnt in this chapter.
Write two features of a fish’s body that enables it to move in water.
What temperature does water boil at?
How will you show that air is dissolved in water?
Measure the height of your friend and express it in
$(i)$ metres
$(ii)$ centimetres and
$(iii)$ millimetres.
→$(i)$ metres
$(ii)$ centimetres and
$(iii)$ millimetres.
If you have to measure the temperature $22.5 ^\circ\ C$, which of the following three thermometers will you use
Three thermometers
→Three thermometers