Solution:
Resistance of 25 W bulb
Its safe current
Resistance of 100 W bulb
Its safe current
When connected in series to 440 V supply, then the
current
If two bulbs of watt age 25 and 100, respectively, each rated at 220 volt are connected in series with the supply of 440 volt, then which bulbs will fuse?
Resistance of 25 W bulb
Its safe current
Resistance of 100 W bulb
Its safe current
When connected in series to 440 V supply, then the
current