04-06-2019
Physics

contestada

John is creating a series circuit of Christmas lights. He wants to create a strand that has 2 fans and 20 lights. Each fan has a resistance of 5 ohms. Each light has a resistance of 3 ohms. What is the total resistance of the circuit?
A. 76 ohms
B. 66 ohms
C. 70 ohms
D. 60 ohms

Respuesta :

ekefrank ekefrank

15-06-2019

Answer:C

Explanation:

Total Resistance=R1+R2

R1=2*5=10ohms

R2=3*20=60ohms

Therefore; Total R=10+60

=70ohms

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