Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 650 · 40 questions

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

1. 1.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) capacitor (c) resistor (d) junction
2. 2.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) ammeter (c) wire (d) switch
3. 3.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
4. 4.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a dot where wires meet (c) many long-short pairs (d) one tall, one short bar
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
6. 6.True or false: a circle with V inside is the symbol for a cell. (a) False (b) True
7. 7.True or false: a dot where wires meet is the symbol for a switch. (a) False (b) True
8. 8.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
9. 9.Which drawing is the symbol for a diode? (a) a circle with M inside (b) a circle with a cross (c) a dot where wires meet (d) triangle against a bar
10. 10.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
11. 11.True or false: a small empty box is the symbol for a junction. (a) False (b) True
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
13. 13.Which drawing is the symbol for a battery? (a) a plain rectangle (b) two or more cell symbols (c) a circle with a cross (d) a straight line
14. 14.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a circle with M inside (c) one tall, one short bar (d) triangle, bar and arrows
15. 15.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) resistor (c) cell (d) diode
16. 16.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
17. 17.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) resistor (c) junction (d) battery
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) capacitor (c) junction (d) ammeter
20. 20.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
21. 21.Which drawing is the symbol for an ammeter? (a) a small empty box (b) triangle against a bar (c) a dot where wires meet (d) a circle with A inside
22. 22.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a circle with V inside (c) a small empty box (d) a plain rectangle
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) switch (c) ammeter (d) bulb
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) bulb (c) ammeter (d) capacitor
25. 25.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
26. 26.True or false: a dot where wires meet is the symbol for a resistor. (a) False (b) True
27. 27.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
28. 28.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) voltmeter (c) resistor (d) bulb
30. 30.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) junction (c) cell (d) capacitor
31. 31.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) capacitor (c) resistor (d) voltmeter
32. 32.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
33. 33.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
34. 34.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
35. 35.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) two equal parallel lines (c) triangle, bar and arrows (d) a long and a short line
36. 36.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a line lifted at a gap (c) two or more cell symbols (d) a circle with a cross
37. 37.Which drawing is the symbol for an LED? (a) a circle with M inside (b) a circle with V inside (c) triangle, bar and arrows (d) a dot where wires meet
38. 38.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) junction (c) bulb (d) resistor
39. 39.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
40. 40.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a dot where wires meet (c) one tall, one short bar (d) a circle with A inside

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids