Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 169 · 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 triangle against a bar? (a) motor (b) cell (c) diode (d) bulb
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) wire (c) battery (d) voltmeter
3. 3.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
4. 4.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) cell (c) switch (d) LED
6. 6.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
7. 7.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
8. 8.True or false: a circle with a cross is the symbol for a battery. (a) True (b) False
9. 9.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a long and a short line (c) two equal parallel lines (d) a circle with a cross
10. 10.True or false: a dot where wires meet is the symbol for a cell. (a) True (b) False
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
12. 12.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
13. 13.Which drawing is the symbol for a wire? (a) a circle with M inside (b) a straight line (c) a circle with V inside (d) a line lifted at a gap
14. 14.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) a small empty box (c) two equal parallel lines (d) triangle, bar and arrows
15. 15.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) one tall, one short bar (c) a dot where wires meet (d) a circle with A inside
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) LED (c) diode (d) voltmeter
17. 17.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) triangle against a bar (c) many long-short pairs (d) a plain rectangle
18. 18.Which drawing is the symbol for a diode? (a) a line lifted at a gap (b) triangle against a bar (c) a straight line (d) a long and a short line
19. 19.True or false: a straight line is the symbol for a wire. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) switch (c) wire (d) motor
21. 21.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
22. 22.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a line lifted at a gap (c) a circle with M inside (d) triangle, bar and arrows
23. 23.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) capacitor (c) LED (d) battery
24. 24.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) junction (c) bulb (d) wire
26. 26.True or false: a small empty box is the symbol for a battery. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) junction (b) cell (c) LED (d) ammeter
28. 28.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) bulb (c) resistor (d) motor
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) wire (c) motor (d) capacitor
31. 31.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) two or more cell symbols (c) a circle with an X in it (d) a line lifted at a gap
32. 32.True or false: a circle with V inside is the symbol for a wire. (a) True (b) False
33. 33.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a circle with a cross (c) a line lifted at a gap (d) two or more cell symbols
34. 34.True or false: a circle with V inside is the symbol for a battery. (a) False (b) True
35. 35.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) ammeter (c) bulb (d) capacitor
37. 37.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) bulb (c) LED (d) junction
39. 39.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
40. 40.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with M inside (c) a long and a short line (d) two or more cell symbols

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