Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 689 · 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 a circle with M inside? (a) motor (b) wire (c) battery (d) bulb
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) motor (c) wire (d) voltmeter
3. 3.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with a cross (c) a plain rectangle (d) a straight line
4. 4.True or false: a long and a short line is the symbol for a voltmeter. (a) False (b) True
5. 5.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
6. 6.✏️ 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
7. 7.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) many long-short pairs (c) a circle with V inside (d) a long and a short line
8. 8.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) motor (c) junction (d) battery
10. 10.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) switch (c) capacitor (d) junction
12. 12.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
13. 13.Which drawing is the symbol for an LED? (a) a circle with a cross (b) a circle with V inside (c) a long and a short line (d) triangle, bar and arrows
14. 14.True or false: triangle against a bar is the symbol for a wire. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) bulb (c) ammeter (d) battery
16. 16.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a straight line (c) two equal parallel lines (d) many long-short pairs
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) motor (b) junction (c) battery (d) bulb
18. 18.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a circle with A inside (c) a circle with M inside (d) a dot where wires meet
19. 19.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with A inside (c) triangle against a bar (d) a long and a short line
20. 20.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
21. 21.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
22. 22.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) switch (c) voltmeter (d) wire
23. 23.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) a long and a short line (c) two equal parallel lines (d) a straight line
24. 24.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) motor (c) cell (d) ammeter
25. 25.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) LED (c) resistor (d) ammeter
27. 27.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) cell (c) capacitor (d) ammeter
28. 28.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a line lifted at a gap (c) a long and a short line (d) two or more cell symbols
29. 29.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
30. 30.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) bulb (c) cell (d) ammeter
31. 31.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
32. 32.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a circle with V inside (c) a plain rectangle (d) a circle with M inside
33. 33.True or false: triangle against a bar is the symbol for a switch. (a) True (b) False
34. 34.True or false: a plain rectangle is the symbol for a switch. (a) True (b) False
35. 35.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
36. 36.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a circle with V inside (c) a straight line (d) a small empty box
37. 37.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) LED (c) voltmeter (d) bulb
39. 39.True or false: triangle against a bar is the symbol for a junction. (a) True (b) False
40. 40.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True

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