Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 948 · 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 an ammeter. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) motor (c) voltmeter (d) bulb
3. 3.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a straight line (c) two equal parallel lines (d) a circle with M inside
4. 4.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) battery (c) voltmeter (d) switch
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
6. 6.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) two equal parallel lines (c) triangle against a bar (d) a line lifted at a gap
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) cell (c) ammeter (d) voltmeter
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
9. 9.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
10. 10.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
11. 11.Which drawing is the symbol for a motor? (a) a plain rectangle (b) a circle with A inside (c) a circle with a cross (d) a circle with M inside
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) cell (c) junction (d) switch
13. 13.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) one tall, one short bar (c) a circle with A inside (d) a circle with M inside
14. 14.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
15. 15.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
16. 16.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a line lifted at a gap (c) two equal parallel lines (d) a long and a short line
17. 17.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a circle with M inside (c) a circle with a cross (d) a plain rectangle
18. 18.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a long and a short line (c) a circle with a cross (d) a plain rectangle
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) ammeter (c) bulb (d) battery
20. 20.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
21. 21.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
22. 22.True or false: a long and a short line is the symbol for a motor. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) wire (c) capacitor (d) battery
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) ammeter (c) motor (d) resistor
25. 25.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two equal parallel lines (c) many long-short pairs (d) a line lifted at a gap
26. 26.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) capacitor (d) motor
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) motor (b) junction (c) wire (d) battery
29. 29.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) switch (c) LED (d) battery
30. 30.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
31. 31.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a dot where wires meet (c) two equal parallel lines (d) triangle, bar and arrows
32. 32.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) many long-short pairs (d) a small empty box
33. 33.True or false: a dot where wires meet is the symbol for a voltmeter. (a) True (b) False
34. 34.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
35. 35.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) a plain rectangle (c) a circle with a cross (d) a long and a short line
36. 36.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) two equal parallel lines (d) a dot where wires meet
37. 37.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
38. 38.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a plain rectangle (c) a line lifted at a gap (d) a circle with V inside
39. 39.True or false: a straight line is the symbol for a wire. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) switch (c) voltmeter (d) wire

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