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5 May, 07:12

What's the power input of a lamp that draws 0.2 A of current from a 230 V supply?

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  1. 5 May, 10:30
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    Answer: Placing cells in series increases the voltage in the circuit by 1.5 V for each cell. Increasing the voltage increases the brightness of the bulb. When a bulb in a series circuit is unscrewed all bulbs in the circuit go out. Increasing the number of bulbs in a series circuit decreases the brightness of the bulbs.
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