lolipop1881 lolipop1881
  • 11-05-2020
  • Physics
contestada

what is the total resistance of the circuit with a 20 ohm and 30 ohm resistance

Respuesta :

Chelboy
Chelboy Chelboy
  • 17-05-2020

Answer:

For series connection :

Total resistance is 50 ohms

For parallel connection:

Total resistance is 12 ohms

Explanation:

for series connection :

Total resistance=20+30=50 ohms

For parallel connection :

Let R be total resistance

1/R=1/30 + 1/20

1/R=(2+3)/60

1/R=5/60

1/R=1/12

Cross multiply

1x12=1xR

12=R

R=12 ohms

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