In the laboratory, a student makes some and bulbs are identical. on the circuits

Question

In the laboratory, a student makes some and bulbs are identical. on the circuits below. She measures a current of 20 mA through bulb A and a current of 10 mA through bulb B. All the batteries On the basis of these measurements, determine the value of the current through each of the other circuit elements. All units are milliamps (mA). The current through battery 1: 0.081 The current through battery 2: 50 The current through battery 3: 200 The current through bulb C: 50 The current through bulb D: 100 The current through bulb E: 100 mA Enter a number

Explanation / Answer

1) current thorugh battery 1 = 20 mA

2)current through RB = current thorugh battery 2 = 10 mA

3) as D and E are in parallel Rnet = R/2

so current through battery 3 = 40 mA

4)current through bulb c = current thorugh bulb B = 10 mA

5) The current through bulb D = 20 mA

6) The current through bulb E = 20 mA

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