Download RESISTOR / RESISTANCE TEST Directions: Using your color code

RESISTOR / RESISTANCE TEST
Directions: Using your color code chart, determine the resistance (including
tolerance) of the following resistors.
Resistor
1
2
3
4
5
6
7
8
9
10
Resistance (ohms)
RESISTOR / RESISTANCE TEST
Resistance (ohms)
11
12
13
14
15
11
Color Code
+/- 10%
580
+/- 5%
10,000 +/- 10%
3900 +/- 10%
160 +/- 5%
16. A 3 volts battery sends a current of 0.5 amperes of current through a light bulb. What is
the resistance of the filament of the bulb?
17. The resistance through a pocket calculator is 180 ohms when it is connected to 6.0 volts
battery. What is the current flowing through the calculator?
18. A toaster draws 15 amperes of current and has a potential difference of 130 volts. What is
the resistance in a toaster?
19. What is the resistance in a stove element when the current flowing through it is 12
amperes and the voltage drop across the element is 240 volts?
20. Calculate the voltage drop across a food blender that has a resistance of 65 ohms and has a
current of 1.85 amperes flowing through it.
RESISTOR / RESISTANCE TEST
Determine the voltage, current, and resistance for the circuits below.
21.
Vs =
Is =
Rs =
220 V
22.
R1 =40 ohms R2 =20 ohms R3 =10 ohms
Vp=
Ip =
Rp =
12 
24 
23.
36 
I = 0.08 amps
Vs =
Is =
Rs =
24. Three identical resistors are in the circuit where a 120 V potential difference produces
a current of 25 amps in the circuit below.
Vp=
Ip =
Rp =
R1 =
R2 =
R3 =