electric bulbs designed to be used on a 220 volt Electric Supply line are rated at 10 watt how many lamps the can be connected in parallel with each other across the two wires of 220 volt line if the maximum allowed current is 5 ampere
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I=V/R
5=220/R
R=44 ..... (1)
R'=V^2/P
R'=4840 ...... (2)
N=R'/R
N=4840/44 (from (1), (2))
N=110
5=220/R
R=44 ..... (1)
R'=V^2/P
R'=4840 ...... (2)
N=R'/R
N=4840/44 (from (1), (2))
N=110
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