Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 567 · 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 long and a short line is the symbol for an ammeter. (a) True (b) False
2. 2.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) capacitor (c) diode (d) wire
4. 4.True or false: a plain rectangle is the symbol for a diode. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) battery (c) ammeter (d) voltmeter
6. 6.Which drawing is the symbol for a battery? (a) a circle with A inside (b) two or more cell symbols (c) a circle with V inside (d) a long and a short line
7. 7.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) ammeter (c) bulb (d) LED
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
9. 9.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) switch (c) motor (d) wire
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
11. 11.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) wire (c) capacitor (d) bulb
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) battery (c) bulb (d) cell
14. 14.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) ammeter (c) resistor (d) motor
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) voltmeter (c) ammeter (d) battery
16. 16.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a line lifted at a gap (c) triangle against a bar (d) a long and a short line
18. 18.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a plain rectangle (c) a circle with M inside (d) a straight line
19. 19.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a straight line (c) a circle with V inside (d) a line lifted at a gap
20. 20.True or false: triangle against a bar is the symbol for a junction. (a) False (b) True
21. 21.Which drawing is the symbol for a motor? (a) a plain rectangle (b) a circle with V inside (c) two or more cell symbols (d) a circle with M inside
22. 22.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) ammeter (c) resistor (d) LED
24. 24.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a circle with A inside (c) a circle with a cross (d) triangle, bar and arrows
25. 25.Which drawing is the symbol for a diode? (a) triangle against a bar (b) many long-short pairs (c) one tall, one short bar (d) two or more cell symbols
26. 26.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with M inside (c) a small empty box (d) a circle with an X in it
27. 27.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with V inside (c) a dot where wires meet (d) two or more cell symbols
28. 28.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) LED (c) motor (d) battery
30. 30.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
31. 31.True or false: one tall, one short bar is the symbol for a motor. (a) False (b) True
32. 32.Which drawing is the symbol for a junction? (a) a long and a short line (b) two or more cell symbols (c) a dot where wires meet (d) two equal parallel lines
33. 33.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
34. 34.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
35. 35.True or false: a circle with V inside is the symbol for a capacitor. (a) False (b) True
36. 36.True or false: triangle, bar and arrows is the symbol for a resistor. (a) False (b) True
37. 37.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) cell (c) resistor (d) battery
39. 39.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) triangle, bar and arrows (c) a dot where wires meet (d) a small empty box
40. 40.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False

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