Solution to Frame 11

So far, you have learned that in series circuits:

R1 = 3 Ω

R2 = 2 Ω

a. There is (only one/more than one) path for the current to

R3 = 5 Ω

flow.

R4 = 10 Ω

(Rt) = 20 Ω

b. Current has (the same value/different values) everywhere

in the circuit.

c. To get Rt (total resistance), we (add/subtract/multiply) all

the individual resistances.

Solution to Frame 12

To find It (current in any series circuit), you must use Rt in

a. only one

the formula It = Et

Rt

b. the same value

c. add

To find It in the circuit above, you must use _________ in the

formula _______________________.

Solution to Frame 13

To find I in the series circuit below, you must use

Rt

(10/20/30/200) Ω in the formula It = Et

Rt

It = Et

Rt

MD0903

1-5

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