12.

E = IR

This formula tells you how to find E.

It tells you to multiply I

times

R.

But

you

cannot

multiply

letters.

You

can

only

multiply

______________________.

39.

Throughout your electricity and electronics course, you will be asked

to solve formulas.

The numbers you will use will often be in this form: 5K,

38m, etc.

These are called ______________________ numbers.

63.

This formula looks similar to RT = R1 + R2 + R3 + R4 + . . ..

However, if you look closely you will see that it is ____________________

the same.

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