Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 267 · 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 an X in it is the symbol for a bulb. (a) False (b) True
2. 2.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) diode (c) cell (d) bulb
4. 4.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) diode (c) LED (d) cell
5. 5.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
6. 6.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) triangle, bar and arrows (c) a line lifted at a gap (d) a plain rectangle
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
8. 8.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) triangle, bar and arrows (c) two equal parallel lines (d) a small empty box
9. 9.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
10. 10.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) switch (c) motor (d) battery
11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) switch (c) junction (d) cell
12. 12.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
13. 13.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
14. 14.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a straight line (c) triangle, bar and arrows (d) two or more cell symbols
15. 15.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
16. 16.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) many long-short pairs (c) two equal parallel lines (d) triangle, bar and arrows
17. 17.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a long and a short line (c) a small empty box (d) a straight line
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) battery (c) diode (d) bulb
19. 19.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) many long-short pairs (c) a circle with a cross (d) a straight line
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
21. 21.Which drawing is the symbol for a switch? (a) a circle with a cross (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with V inside
22. 22.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
23. 23.True or false: a straight line is the symbol for a wire. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) motor (d) wire
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) capacitor (c) motor (d) bulb
26. 26.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
27. 27.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
28. 28.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a long and a short line (c) two or more cell symbols (d) one tall, one short bar
29. 29.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) bulb (c) junction (d) battery
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) voltmeter (c) LED (d) wire
31. 31.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a dot where wires meet (c) two or more cell symbols (d) a long and a short line
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) battery (c) switch (d) ammeter
33. 33.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) wire (c) LED (d) voltmeter
35. 35.True or false: a circle with an X in it is the symbol for a motor. (a) False (b) True
36. 36.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
37. 37.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
38. 38.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
39. 39.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) a circle with M inside (c) a dot where wires meet (d) a circle with a cross
40. 40.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a small empty box (c) a circle with V inside (d) two or more cell symbols

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