Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 187 · 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.Which drawing is the symbol for a battery? (a) a straight line (b) triangle against a bar (c) many long-short pairs (d) triangle, bar and arrows
2. 2.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with V inside (c) a circle with a cross (d) a circle with M inside
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) switch (c) LED (d) cell
4. 4.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
6. 6.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) voltmeter (c) motor (d) bulb
8. 8.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) voltmeter (c) resistor (d) switch
9. 9.Which drawing is the symbol for an LED? (a) a circle with V inside (b) a plain rectangle (c) triangle, bar and arrows (d) triangle against a bar
10. 10.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) triangle against a bar (c) two equal parallel lines (d) a plain rectangle
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) bulb (c) switch (d) junction
12. 12.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
13. 13.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) two or more cell symbols (c) triangle, bar and arrows (d) a line lifted at a gap
14. 14.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) a straight line (c) many long-short pairs (d) a circle with A inside
15. 15.Which drawing is the symbol for a battery? (a) a small empty box (b) a dot where wires meet (c) a straight line (d) two or more cell symbols
16. 16.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) voltmeter (c) battery (d) wire
17. 17.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a circle with V inside (c) a dot where wires meet (d) a circle with A inside
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) switch (c) motor (d) bulb
19. 19.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
21. 21.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) a plain rectangle (c) a circle with M inside (d) a circle with an X in it
22. 22.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) resistor (c) motor (d) capacitor
24. 24.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
25. 25.True or false: a long and a short line is the symbol for a wire. (a) False (b) True
26. 26.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with a cross (c) a long and a short line (d) triangle against a bar
27. 27.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) bulb (c) wire (d) cell
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) bulb (c) resistor (d) ammeter
30. 30.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) voltmeter (c) switch (d) cell
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) wire (c) voltmeter (d) capacitor
32. 32.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) motor (c) LED (d) cell
33. 33.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) bulb (c) cell (d) voltmeter
34. 34.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
35. 35.Which drawing is the symbol for a junction? (a) a straight line (b) a circle with V inside (c) one tall, one short bar (d) a dot where wires meet
36. 36.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True
37. 37.True or false: a circle with V inside is the symbol for a battery. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) capacitor (c) battery (d) junction
39. 39.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) voltmeter (c) battery (d) capacitor

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