An electric bulb is rated as 10W, 220V. How many of these bulbs can be connected in parallel across the two wires of 220V supply line if the maximum current which can be drawn is 5A?
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P = 10W, V = 220V, I = 5A
We know that
P = VI
= 220 X 5
P = 1100W
Power of one bulb = 10W
Total no. of bulbs that can be connected $=\frac{1100}{10}=110$
We know that
P = VI
= 220 X 5
P = 1100W
Power of one bulb = 10W
Total no. of bulbs that can be connected $=\frac{1100}{10}=110$
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