QueenNerdy889
06.05.2020 •
Mathematics
The current in the circuit shown is 2.0 A.
A diagram of a closed circuit with a power source on the left labeled 30 V. There are 3 resistors in series, connected to it labeled 2 Ohms, 3 Ohms and R Subscript 3 baseline.
What is the value of R3?
10 Ω
15 Ω
20 Ω
55 Ω
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Ответ:
D. 18.84
Step-by-step explanation:
C = 2 x pi x r
C= circumference
pi = 3.14
r = radius = 3
Plug in the the numbers for the variables.
C = 2 x (3.14) x (3)
Then multiply.
C = 18.84