roccozucaro740 roccozucaro740
  • 06-05-2020
  • Physics
contestada

how does the current in a resistor change if the voltage across the resistor is decreased by 4

Respuesta :

oladayoademosu
oladayoademosu oladayoademosu
  • 13-05-2020

Answer:

The current is reduced by 1/4

Explanation:

Voltage, V = IR where I = current and R = resistance.

So,V₁ = I₁R. So, I₁ = V₁/R. Now the new current is I₂ = V₂/R

If V₂ = V₁/4, then I₂ = V₂/R = (V₁/4)/R = V₁/4R = I₁/4

I₂ = I₁/4

The current is reduced by 1/4

Answer Link
games4tj games4tj
  • 28-10-2021

Answer: It decreases by a factor of 4

Explanation:

just took the quiz on A P E X

Answer Link

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