From http://www.token.com.tw/resistor/resistor-color-code.htm

1k resistor:or

22 ohm

470 x 0.1

What resistor value is

(a) (b)

How to read the value of a resistor?

1 0 00 1 0 0 0

Vin

Vout = I R1

R2

R1= Vin

R1 + R2

R1

Recap:

Voltage divider

Vth

Rth

Thevenin’s equivalent

Rload

How to avoid voltage droop?

To appear in Quiz

Method 1: apply kirchoff’s law

Method 2: use Rth = Vth/Is

Is is the short circuit current.

When we short the output to ground,

what is the current through R4?

Q = CV

I = C dV/dt

R

L

zz1tan

Zc = 1/j C ZL = j L ZR = R