Five resistors, each 10 Ω, are connected in parallel to a voltage source.

What is the equivalent resistance of the circuit?

Group of answer choices

20 Ω

5 Ω

2 Ω

50 Ω

Flag question: Question 3
Question 35 pts
Five resistors, each 10 Ω, are connected in parallel to a voltage source.

The current at each branch is measured to be 600 mA. What is the potential difference supplied by the voltage source?

Group of answer choices

12 V

6 V

0.3 V

3 V

Flag question: Question 4
Question 45 pts
A 2.5 kΩ resistor and a 20.0 Ω resistor are connected to a 9.0 V source in parallel. What is the total current in the circuit?
Group of answer choices

3.6 mA

450 mA

20 A

180 A

Question

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Respuesta :

onyebuchinnaji onyebuchinnaji · Answer 1 · 2022-06-09T19:15:17+02:00

(1) The equivalent resistance of the circuit is 2 ohms.

(2) The potential difference supplied by the voltage source is 1.2 V.

(3) The total current in the circuit is 450 mA.

The equivalent resistance of the circuit is calculated as follows;

1/R = 1/R₁ + 1/R₂ + 1/R₃ + 1/R₄ + 1/R₅

1/R = 1/10 + 1/10 + 1/10 + 1/10 + 1/10

1/R = (1/10) x 5

1/R = 1/2

R = 2 ohms

V = IR

V = 0.6 x 2

V = 1.2 V

1/R = 1/2500 + 1/20

1/R = 0.0504

R = 1/0.0504

R = 19.84 ohms

V = IR

I = V/R

I = 9/19.84

I = 0.45 A

I = 450 mA.

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