দুটি বাতি, একটি 100 W রেট 220 V এবং অন্যটি 220 V তে 200 W রেটযুক্ত (i) সিরিজে এবং ...

Two bulbs, one rated 100 W at 220 V and other 200 W at 220 V are connected In series In parallel to the electric main supply of 220 V. Find the current drawn in each case.

Two lamps, one rated 100 W at 220 V , and the other 60 W at 220 V , are connected in parallel to the electric mains supply. What current is drawn from the line if the supply voltage is 220 V ?

Two bulbs having rating of 60 W, 220 V and 100 W, 220 V are joined (i) in series, (ii) in parallel. Which of the two will glow brighter in each case?

Two bulbs 25 W, 220 V and 100 W, 220 V are given . Which has higher resistance ?

A piece of wire of resistance R is redrawn by pulling it until its length is doubled. Compare the new resistance with the original value. Two lamps , one rated 100 W at 220 V, and the other 60 W at 220 V, are connected in parallel to a 220 V supply. What is the current drawn from the supply line ?