Question

how many bulbs of resistance 6 ohms should be joined in parallel to draw current of 2 amperes from battery 3 volts

Answer 1

Hi

Suppose n resistances of 6 ohm are connected in parallel and the resultant resistance=R

1/R=n/6=>R=6/n

Now Current I=2 A,Voltage V=3 volts

By ohm's law V=IR

3=2x6/n

n=4

Hence 4 bulbs are connected in parallel. 

Hoping it helps

:D

Answer 2

Answer: Hope u would find the answer helpful