An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A?; An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A?
Answers
Explanation:
Step 1:
given data in the question
Voltage = V = 220 V
Current = I = 5 A
Step 2:
Total power which can be derived from the system
= V × I
= 220 V ×5 A
= 1100 W
Let x be the number of the used 10 W bulbs = 1100 W
Step 3:
The full power x bulbs can then be drawn from that circuit
10 x = 1100
x = 1100/10
= 110 bulbs
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