Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 456 · 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.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) motor (c) battery (d) cell
3. 3.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
4. 4.True or false: a circle with M inside is the symbol for a cell. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) switch (c) bulb (d) battery
6. 6.True or false: a small empty box is the symbol for a cell. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) battery (c) cell (d) switch
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
9. 9.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) triangle, bar and arrows (c) triangle against a bar (d) a circle with V inside
10. 10.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) bulb (c) resistor (d) cell
11. 11.Which drawing is the symbol for a diode? (a) triangle against a bar (b) one tall, one short bar (c) a plain rectangle (d) a circle with a cross
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) capacitor (c) junction (d) bulb
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
14. 14.✏️ 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
15. 15.Which drawing is the symbol for a capacitor? (a) a straight line (b) a circle with V inside (c) two equal parallel lines (d) a circle with an X in it
16. 16.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a straight line (c) one tall, one short bar (d) a line lifted at a gap
17. 17.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) two or more cell symbols (c) a circle with M inside (d) two equal parallel lines
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) wire (d) motor
19. 19.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) ammeter (c) junction (d) battery
21. 21.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) many long-short pairs (c) a circle with a cross (d) triangle, bar and arrows
22. 22.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) ammeter (c) resistor (d) voltmeter
23. 23.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
24. 24.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) bulb (c) LED (d) wire
26. 26.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) cell (c) motor (d) ammeter
27. 27.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
28. 28.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
29. 29.Which drawing is the symbol for a cell? (a) a small empty box (b) a circle with A inside (c) triangle, bar and arrows (d) a long and a short line
30. 30.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) wire (c) cell (d) junction
31. 31.True or false: a straight line is the symbol for a motor. (a) True (b) False
32. 32.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
33. 33.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) a straight line (c) triangle, bar and arrows (d) a plain rectangle
34. 34.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) one tall, one short bar (c) a circle with an X in it (d) a small empty box
35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) wire (c) resistor (d) motor
36. 36.Which drawing is the symbol for a battery? (a) a circle with a cross (b) a circle with V inside (c) a circle with an X in it (d) two or more cell symbols
37. 37.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) switch (c) battery (d) capacitor
39. 39.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
40. 40.True or false: a dot where wires meet is the symbol for a bulb. (a) True (b) False

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