DC Circuit LAB..

Question

1.Can resistor values be determined from the color codes? How? Are these values exact? Explain.

2. What is a voltmeter? How should we connect it to the circuit? Why?

3. What is a ammeter? How should we connect it to the circuit? Why?

4. How does a potentiometer work? What may be the advantages of using a potentiometer instead of a normal resistor?

Answer 1

Color	Digit	Multiplier
Black	0	100(1)
Brown	1	101
Red	2	102
Orange	3	103
Yellow	4	104
Green	5	105
Blue	6	106
Violet	7	107
Grey	8	108
White	9	109
Gold		10-1
Silver		10-2
(none)