Parallel Circuits MCQs

Option A: 490 mA

Option B: 800 mA

Option C: 310 mA

Option D: 0 A

Correct Answer: 490 mA ✔

Option A: decreases

Option B: increases

Option C: remains the same

Option D: doubles

Correct Answer: increases ✔

Option A: 200 mA

Option B: 540 mA

Option C: 1.24 A

Option D: 900 mA

Correct Answer: 1.24 A ✔

Option A: 60 mA

Option B: 15 mA

Option C: 135 mA

Option D: 31.25 mA

Correct Answer: 31.25 mA ✔

Option A: is less than 6 kΩ

Option B: is greater than 1.2 kΩ

Option C: is less than 1.2 kΩ

Option D: is less than 600 Ω

Correct Answer: is less than 600 Ω ✔

Option A: is less than 6 kΩ

Option B: is greater than 1.2 kΩ

Option C: is less than 1.2 kΩ

Option D: is less than 600 Ω

Correct Answer: is less than 600 Ω ✔

Option A: 220 Ω

Option B: 470 Ω

Option C: 560 Ω

Option D: impossible to determine without knowing the voltage

Correct Answer: 560 Ω ✔

Option A: R3 is open

Option B: R1 is open

Option C: R2 is open

Option D: the circuit is operating properly

Correct Answer: R3 is open ✔

Option A: 25 Ω

Option B: 500 Ω

Option C: 100 Ω

Option D: 20 Ω

Correct Answer: 25 Ω ✔

Option A: 22 mA

Option B: 120 mA

Option C: 220 mA

Option D: 50 mA

Correct Answer: 22 mA ✔

Option A: 790 Ω

Option B: 470 Ω

Option C: 60 Ω

Option D: 30 Ω

Correct Answer: 60 Ω ✔

Option A: 12.5 Ω

Option B: 200 Ω

Option C: 20 KΩ

Option D: 50 Ω

Correct Answer: 20 KΩ ✔

Option A: greater than 1.6 kΩ

Option B: greater than 120 but less than 1.6 kΩ

Option C: less than 120 but greater than 100 Ω

Option D: less than 100 Ω

Correct Answer: less than 120 but greater than 100 Ω ✔

Option A: 55 Ω

Option B: 5.5 Ω

Option C: 50 Ω

Option D: 9 Ω

Correct Answer: 5.5 Ω ✔

Option A: 18 W

Option B: 1.5 W

Option C: 48 W

Option D: 72 W

Correct Answer: 72 W ✔

Option A: a drop in source voltage

Option B: an open resistor

Option C: an increase in source voltage

Option D: either a drop in source voltage or an open resistor

Correct Answer: an increase in source voltage ✔

Option A: 2.3 A

Option B: 780 mA

Option C: 47 mA

Option D: 7.06 A

Correct Answer: 7.06 A ✔

Option A: 48 mA

Option B: 12 mA

Option C: 0 A

Option D: 3 mA

Correct Answer: 12 mA ✔

Option A: 2.2 A

Option B: 137 mA

Option C: 1.8 A

Option D: 9.09 A

Correct Answer: 1.8 A ✔

Option A: 610 mA

Option B: 18 mA

Option C: 110 mA

Option D: 61 mA

Correct Answer: ✔

Option A: the remaining two will glow dimmer

Option B: the remaining two will glow brighter

Option C: the remaining two will not light

Option D: the remaining two will glow with the same brightness as before

Correct Answer: the remaining two will glow with the same brightness as before ✔

Option A: remains the same

Option B: decreases by the value of the added resistor

Option C: increases by the value of the added resistor

Option D: decreases

Correct Answer: decreases ✔

Option A: 25 mA

Option B: 100 mA

Option C: 6.25 mA

Option D: 200 mA

Correct Answer: 25 mA ✔

Option A: 1 A

Option B: 7 A

Option C: unknown

Option D: the larger of the two

Correct Answer: 7 A ✔

Option A: 50 mA

Option B: 70 mA

Option C: 120 mA

Option D: 40 mA

Correct Answer: 70 mA ✔

Option A: 1.2 W

Option B: 4.8 W

Option C: 0.3 W

Option D: 12 W

Correct Answer: 4.8 W ✔