2. A circuit consists of a 10.0-ohm resistor,

a 15.0-ohm resistor, and a 20.0-ohm

resistor connected in parallel across a

9.00-volt battery. What is the equivalent

resistance of this circuit?

(1) 0.200 12 (3) 4.62 1

(2) 1.95.22

(4) 45.012

Question

Physics

Jaden

17 May, 21:18

2. A circuit consists of a 10.0-ohm resistor,

a 15.0-ohm resistor, and a 20.0-ohm

resistor connected in parallel across a

9.00-volt battery. What is the equivalent

resistance of this circuit?

(1) 0.200 12 (3) 4.62 1

(2) 1.95.22

(4) 45.012

+3

Answers (1)

Know the Answer?

Amari Cooke · Answer 1

(3) 4.62 ohms

Explanation:

Te equivalent resistance R is gotten from

1/R = 1/R₁ + 1/R₂ + 1/R₃ where R₁ = 10.0 ohm, R₂ = 15.0 ohm and R₃ = 20.0 ohm

1/R = 1/10 + 1/15 + 1/20

1/R = 0.1 + 0.0667 + 0.05

1/R = 0.2167

R = 1/0.2167

R = 4.62 ohms

2. A circuit consists of a 10.0-ohm resistor,a 15.0-ohm resistor, and a 20.0-ohmresistor connected in parallel across a9.00-volt battery. What is the equivalentresistance of this circuit?(1) 0.200 12 (3) 4.62 1(2) 1.95.22(4) 45.012

2. A circuit consists of a 10.0-ohm resistor,

a 15.0-ohm resistor, and a 20.0-ohm

resistor connected in parallel across a

9.00-volt battery. What is the equivalent

resistance of this circuit?

(1) 0.200 12 (3) 4.62 1

(2) 1.95.22

(4) 45.012