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what is the largest number of 1000W bulbs that can be connected to a 240V supply with a 5A fuse?

Question

What is the largest number of 1000W bulbs that can be connected to a 240V supply with a 5A fuse?

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Solution

To find out the maximum number of 1000W bulbs that can be connected to a 240V supply with a 5A fuse, we need to follow these steps:

  1. First, we need to find out the total power that the supply can provide. This can be calculated using the formula P=IV, where P is power, I is current, and V is voltage. Substituting the given values, we get P = 240V * 5A = 1200W.

  2. Next, we need to find out the power consumed by each bulb. We are given that each bulb consumes 1000W.

  3. Finally, we divide the total power that the supply can provide by the power consumed by each bulb to find out the maximum number of bulbs that can be connected. So, 1200W / 1000W = 1.2.

Since we can't have a fraction of a bulb, we round down to the nearest whole number. So, the maximum number of 1000W bulbs that can be connected to a 240V supply with a 5A fuse is 1.

This problem has been solved

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