police AP Police Constable (Pre + Mains) Mock Test 2022 General Science Physics Current Electricity

Brightness of the bulb decreases gradually with its period of use because of:

1
Evaporation of metal from filament of bulb
2
Decrease in resistance of bulb
3
Decrease in electric supply to the bulb
4
None of the above
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters