Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 627 · 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 many long-short pairs? (a) voltmeter (b) junction (c) battery (d) cell
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) diode (c) battery (d) bulb
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
4. 4.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) diode (c) battery (d) junction
5. 5.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) cell (c) junction (d) voltmeter
6. 6.True or false: triangle, bar and arrows is the symbol for a motor. (a) True (b) False
7. 7.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a dot where wires meet (c) a small empty box (d) a line lifted at a gap
8. 8.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
10. 10.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with A inside
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) ammeter (b) bulb (c) resistor (d) junction
12. 12.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) bulb (c) junction (d) voltmeter
13. 13.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
14. 14.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) capacitor (c) voltmeter (d) ammeter
16. 16.True or false: triangle, bar and arrows is the symbol for a bulb. (a) False (b) True
17. 17.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
18. 18.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) triangle, bar and arrows (d) a circle with M inside
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) wire (c) ammeter (d) voltmeter
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
21. 21.True or false: triangle, bar and arrows is the symbol for a wire. (a) False (b) True
22. 22.True or false: a small empty box is the symbol for a motor. (a) False (b) True
23. 23.True or false: a circle with A inside is the symbol for a resistor. (a) False (b) True
24. 24.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
25. 25.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
26. 26.Which drawing is the symbol for a cell? (a) a circle with M inside (b) many long-short pairs (c) triangle against a bar (d) one tall, one short bar
27. 27.True or false: triangle against a bar is the symbol for a switch. (a) True (b) False
28. 28.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a circle with M inside (c) many long-short pairs (d) a long and a short line
29. 29.True or false: triangle against a bar is the symbol for a resistor. (a) False (b) True
30. 30.Which drawing is the symbol for a battery? (a) a circle with A inside (b) two equal parallel lines (c) two or more cell symbols (d) a circle with an X in it
31. 31.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a dot where wires meet (c) a straight line (d) a circle with a cross
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) wire (c) battery (d) cell
33. 33.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a circle with M inside (c) two equal parallel lines (d) triangle against a bar
34. 34.Which drawing is the symbol for an LED? (a) a circle with M inside (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with A inside
35. 35.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) resistor (d) voltmeter
36. 36.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) resistor (c) motor (d) battery
37. 37.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) wire (c) bulb (d) cell
39. 39.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
40. 40.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False

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