Well Done!

Reset

Challenge Problem

Information I have

Equation(s) needed

(Note: you may need to use one or more equations to solve the problem)

The image above shows a circuit with the following resistance and a current of 10 coulombs:

R1 – 9 ohms, R2 – 2 ohms, R3 – 1 ohm.

?

Series Circuit

I (Current)

R (Resistance)

?

I = V over R V R

R = R1 + R2 + R3 + ...

The image above shows a circuit with the following resistance and a current of 10 coulombs:

R1 – 9 ohms, R2 – 2 ohms, R3 – 1 ohm.

?

Parallel Circuit

I (Current)

R (Resistance)

?

I = V over R V R

1 over R 1 R = 1 over R sub 1 1 R1 + 1 over R sub 2 1 R2 + 1 over R sub 3 1 R3 + ...

Variables

Equations

P (Electric Power)

V (Voltage)

I (Current)

R (Resistance)

Series Circuit

Parallel Circuit

Felectric (Force between two charged particles)

Felectric = kc ( q sub 1 times q sub 2 over d sup 2 q1q2 d2 )

P = VI

I = V over R V R

R = R1 + R2 + R3 + ...

1 over R 1 R = 1 over R sub 1 1 R1 + 1 over R sub 2 1 R2 + 1 over R sub 3 1 R3 + ...