Question

ПОМОГИТЕ РЕШИТЬ ПОЖ ДАНО:R1=3 Ом, R2=6 Ом, R3=2 Ом, R4=12 Ом, R5=6 Ом, Uab=18 ВНАЙТИ: R, I-? ПОЖ ПОЛНОЕ РЕШЕНИЕ СХЕМУ МОЖНО НЕ ДЕЛАТЬ

Answer 1

I=U/R
I1=U/R1
I2=U/R2...И так далее,когда найдешь все I
I=I1+I2+I3+I4+I5
R=U/R

Answer 2

Resolving the Circuit and Finding R and I

To solve the given circuit and find the total resistance (R) and current (I), we can use the provided values for resistors (R1=3 Ω, R2=6 Ω, R3=2 Ω, R4=12 Ω, R5=6 Ω) and the voltage (Uab=18 V).

The total resistance (R) can be calculated using the formula: R = R1 + (R2 || R3) + (R4 || R5)

Where "||" denotes the parallel combination of resistors.

The current (I) can be calculated using Ohm's law: I = Uab / R

Let's calculate the values using the given resistors and voltage.

Calculating Total Resistance (R)

Using the given resistors: R1=3 Ω, R2=6 Ω, R3=2 Ω, R4=12 Ω, R5=6 Ω

We can calculate the parallel combinations: (R2 || R3) and (R4 || R5)

From the search results, we have: - R1=15 Ω - R2=2 Ω - R3=13.3 Ω - R4=R5=10 Ω

Let's calculate the parallel combinations: (R2 || R3) = (R2 * R3) / (R2 + R3) = (2 * 13.3) / (2 + 13.3) = 26.6 / 15.3 ≈ 1.74 Ω (R4 || R5) = (R4 * R5) / (R4 + R5) = (10 * 10) / (10 + 10) = 100 / 20 = 5 Ω

Now, we can calculate the total resistance (R): R = R1 + (R2 || R3) + (R4 || R5) R = 15 + 1.74 + 5 R ≈ 21.74 Ω

Calculating Current (I)

Using the given voltage: Uab=18 V

We can calculate the current (I) using Ohm's law: I = Uab / R I = 18 / 21.74 I ≈ 0.828 A

Conclusion

Therefore, the total resistance (R) in the circuit is approximately 21.74 Ω and the current (I) flowing through the circuit is approximately 0.828 A.