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How do you do this question?
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How do you do this question?

How do you do this question?-example-1
User InsertCheesyLine
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1 Answer

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Answer:

A

Step-by-step explanation:

Nasty, but doable.

I = 2 amps

R = 8 ohms

V = I * R

V = 2 * 8

V = 16 volts.

========

The 4 ohm resistor sees the same voltage -- 16 volts.

V = 16

R = 4ohms

I = V/R

I = 16/4

I = 4 amps.

The current seen by the unknown resistor R is

It = 4 amps + 2 amps

It = 6 amps

Answer A.

User Rockstart
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