Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 710 · 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: many long-short pairs is the symbol for an ammeter. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) cell (c) battery (d) voltmeter
3. 3.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) cell (c) capacitor (d) LED
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
6. 6.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
7. 7.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a dot where wires meet (c) a circle with M inside (d) triangle, bar and arrows
8. 8.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) one tall, one short bar (d) a long and a short line
9. 9.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with an X in it (c) a line lifted at a gap (d) two equal parallel lines
10. 10.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
11. 11.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) bulb (c) capacitor (d) wire
13. 13.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a circle with M inside (c) a dot where wires meet (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) junction (c) motor (d) diode
15. 15.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
16. 16.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
17. 17.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) a long and a short line (c) two equal parallel lines (d) two or more cell symbols
18. 18.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) motor (c) bulb (d) capacitor
20. 20.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) LED (c) resistor (d) motor
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) LED (c) bulb (d) motor
22. 22.True or false: a circle with M inside is the symbol for an LED. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) LED (d) switch
24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) wire (c) LED (d) junction
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) cell (c) switch (d) battery
26. 26.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True
27. 27.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
28. 28.True or false: two equal parallel lines is the symbol for a cell. (a) True (b) False
29. 29.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) a circle with A inside (c) one tall, one short bar (d) two equal parallel lines
30. 30.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) capacitor (c) cell (d) wire
31. 31.True or false: a long and a short line is the symbol for a capacitor. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) wire (d) diode
33. 33.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) resistor (c) ammeter (d) junction
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) battery (c) voltmeter (d) resistor
35. 35.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
36. 36.True or false: a line lifted at a gap is the symbol for a bulb. (a) True (b) False
37. 37.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a circle with M inside (c) a long and a short line (d) many long-short pairs
38. 38.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) a circle with A inside (c) a straight line (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) bulb (c) battery (d) wire
40. 40.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True

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