Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 669 · 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, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
2. 2.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
3. 3.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True
4. 4.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
5. 5.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a long and a short line (c) triangle against a bar (d) two or more cell symbols
6. 6.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) wire (c) motor (d) switch
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
9. 9.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
10. 10.Which drawing is the symbol for a wire? (a) a straight line (b) one tall, one short bar (c) a line lifted at a gap (d) two or more cell symbols
11. 11.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
12. 12.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a dot where wires meet (c) many long-short pairs (d) triangle, bar and arrows
13. 13.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) switch (c) capacitor (d) bulb
14. 14.True or false: a straight line is the symbol for a wire. (a) False (b) True
15. 15.True or false: a small empty box is the symbol for a bulb. (a) False (b) True
16. 16.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
17. 17.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) a circle with M inside (c) triangle, bar and arrows (d) a plain rectangle
18. 18.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with A inside (c) one tall, one short bar (d) two equal parallel lines
19. 19.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
20. 20.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a line lifted at a gap (c) a dot where wires meet (d) two or more cell symbols
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) cell (c) junction (d) battery
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) LED (c) junction (d) capacitor
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) motor (c) voltmeter (d) diode
24. 24.Which drawing is the symbol for a junction? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with an X in it (d) a dot where wires meet
25. 25.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
26. 26.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
27. 27.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
28. 28.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a circle with V inside (c) a circle with A inside (d) triangle, bar and arrows
29. 29.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) battery (c) switch (d) bulb
30. 30.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) battery (d) junction
31. 31.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) resistor (c) switch (d) diode
33. 33.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
34. 34.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
35. 35.True or false: a circle with a cross is the symbol for a capacitor. (a) True (b) False
36. 36.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with A inside (c) triangle against a bar (d) triangle, bar and arrows
37. 37.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) two equal parallel lines (c) a long and a short line (d) a small empty box
38. 38.True or false: a circle with V inside is the symbol for a junction. (a) False (b) True
39. 39.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
40. 40.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a circle with M inside (c) two or more cell symbols (d) a circle with a cross

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