Electricity & Circuits

warmup question-which of the following does not allows current to pass through them???

• 
• 
• 
• 

hmm....I wonder from where to where is the flow of electric current???

• +to-

• -to+

• -to-

• +to+

Try this one out-

When i point up it's bright but when i point down it's dark

A train is rushing in high speed in it's track but smoke didn't come .Why??

Which device uses magnetic effect of electricity

• iron

• bell(electric)

• tooth brush

• tube light

Look at the diagram which one is the cell

• 1

• 2

• 1&2

• not 1 or 2

Which of the following is the fuse in buildings

• 
• 
• 
• 

State the function-

Wire

• connects circuit

• breaks circuit

• provides electricity

• produce light

heating effect of electric current is used in

• checking temperature

• pan

• room heaters

• none of the above

open/close switch-

bulb is lit

• open

• close