Physics, 10.10.2021 14:50 miamassimino
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A 12v Light bulb uses 24v of power.
a) Calculate its resistance and the current at full power.
b) Calculate the resistance of a 100w mains light bulb and the current at full power.
c) Two bulbs are connected in series and supplied from the mains power at 230v. Calculate the current in the circuit. Assume that both bulbs operate at their working resistance.
d) Use your answer to part c) to comment on the brightness of the bulbs.
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A 12v Light bulb uses 24v of power...
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