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1. Suppose there are four 30 bulbs are connected in series connected to a 220V line,
What is the current in the circuit? Find the voltage drop in each of the four 30 bulbs.​

1 Suppose There Are Four 30 Bulbs Are Connected In Series Connected To A 220V LineWhat Is The Current In The Circuit Find The Voltage Drop In Each Of The Four 3 class=

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Answer:

Each bulb is designed for 8V operation, has an operating resistance of 8Ohms at all voltages, has a power consumption of 8W and produces 10 lumens per Watt. The supply voltage is 240V.

Therfore, with 30 bulbs, total resistance is 8 Ohms x 30 = 240 Ohms. Current is 240V / 240 Ohms = 1A. Power is 1A x 1A x 240 Ohms = 240W. Total lumens = 240W x 10 = 2400 lumens

Explanation:

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