Elenco Electronic Component Kit - Manual (Page 26)

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ANSWERS TO QUIZZES
PAGE 5
Type Capacitance Value Working Voltage Polarized (Y/N) Other Markings
Disc 33pF N —
Mylar .001
μF
100 volts N K
Electrolytic 10 μF 25 volts Y —
Electrolytic 220 μF 25 volts Y —
Electrolytic 10
μF
50 volts Y —
Electrolytic 10
μF
16 volts Y —
Electrolytic 160
μF
330 volts Y —
Answer to Extra Credit: 30
μF
COLOR 1 COLOR 2 COLOR 3 COLOR 4 VALUE PERCENT WATTAGE
Brown Black Black Gold 10 Ω 5% 1/2 Watt
Brown Green Brown Red 160
Ω
5% 1/2 Watt
Brown Black Red Gold 1,000
Ω
5% 1/4 Watt
Brown Red Red Gold 1,200
Ω
5% 1/2 Watt
Red Yellow Red Gold 2,700
Ω
5% 1/2 Watt
Brown Black Orange Gold 10,000 Ω 5% 1/2 Watt
Blue Red Orange Gold 62,000 Ω 5% 1/4 Watt
Red Black Green Gold 3,000,000 Ω 5% 1/2 Watt
Green Brown Green Gold 5,100,000
Ω
5% 1/4 Watt
Brown Black Blue Gold 10,000,000
Ω
5% 1/2 Watt
1.c 2.a 3.d 4.a 5.c 6.d 7.b 8.a 9.b 10.d
PAGE 11
1.d 2.a 3.b 4.c 5.a 6.d 7.d 8.c 9.c 10.a 11.b 12.d
PAGE 16
1.d 2.a 3.b 4.a 5.b 6.c 7.a 8.a 9.b 10.b 11.c 12.b
Practice: No - the coil is not wound on a metal core. Enamel coating on wire prevents it from shorting.
There are 5 turns on the coil. Calculated inductance is 64 microhenrys.
Answer to Extra Credit: 30
μH
PAGE 20
1.b 2.b 3.d 4.c 5.a 6.c 7.d 8.a 9.d 10.b
Practice: 3 Diodes 3 Transistors 1 Integrated Circuit Yes, 1 LED
A line is painted around the end that blocks current. LED uses flat side to indicate blocking end.
Answer to Extra Credit: Resistor is necessary to limit current and prevent LED from damage. LED’s are
diodes that only pass current in one direction.
PAGE 24
1.c 2.d 3.b 4.d 5.d 6.a 7.b 8.a
Practice: 1 Switch 1 Female 1 Male 1 Earphone Jack 1 Wire Nut 2 Spacers 1 Round 9 Pan
1 Flat Head 2 Self Threading 2 Sheet Metal
Answer to Extra Credit: Part in bag that was not mentioned included one strain relief to hold a line cord.
Parts included for further study were 2 thicknesses of rosin core solder and 1 printed circuit board. Using a
razor blade, slice solder on an angle to see internal flux.