Question

help please

Answer 1

When a 20 V battery is hooked up to a 10 Ω resistor in a circuit, how much current flows through the circuit?

0.5 A

2 A

20 A

200 A

Answer 2

B = 2 A

Answer 3

the answer is B

Answer 4

@kkbrookly

Answer 5

Can you explain why it's B?

Answer 6

V = i R
20 = i (10)
i = 2 amps
so yes, b

Answer 7

@kkbrookly

Answer 8

Thank you! Can you help me with this one?
If 0.375 A of current moves across the resistor shown, then what is the value of the resistor?
0.25 Ω

0.56 Ω

1.5 Ω

4.0 Ω

Answer 9

@davidg6497

Answer 10

it might be B

Answer 11

@kkbrookly

Answer 12

why's that?

Answer 13

0.375 A (the current) resistor divides the voltage.
0.375 * 1.5 = 0.5625
so just usually, to find the resistor, just multiply, instead of dividing. like for the last problem.

Answer 14

@kkbrookly

Answer 15

Thank you!