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In this section of a circuit, a current of 2.0 A flows across R1. What is the current across R2? Let R1 = 4.0 ohm, R2 = 8.0 ohm, and R3 = 1.0 ohm.

In this section of a circuit a current of 20 A flows across R1 What is the current across R2 Let R1 40 ohm R2 80 ohm and R3 10 ohm class=

Respuesta :

Answer:

I=1A

Explanation:

In parallel combination voltage is same

In R1

V=IR

V=2×4

V=8V

In R2

V=IR

I=V/R

I=8/8

I=1A

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