Rank the current in three lightbulbs and the current in the battery, from greatest to least.
To determine:The current in three light bulbs and battery from greatest to least order.
Answer:
The amount of current from greatest to least order is battery, bulb A, bulb B and bulb C.
Explanation:
If resistance in a circuit is connected in a series connection, then the current flows from them is same for each resistance, but the voltage drop in each resistance varies.
Three bulbs A, B and C connected in series with a battery, assuming the voltage of battery is V. Resistance of bulb A is
So current drawn from battery is maximum, then it goes to bulb A, B, and C, respectively. Thus the amount of current decreases from battery to bulbs.
Conclusion:
Therefore, the amount of current from greatest to least order is battery, bulb A, bulb B and bulb C.
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