Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 448 · 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 a motor. (a) True (b) False
2. 2.True or false: a long and a short line is the symbol for an ammeter. (a) False (b) True
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) cell (c) switch (d) capacitor
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
6. 6.True or false: a circle with V inside is the symbol for a motor. (a) False (b) True
7. 7.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a circle with a cross (c) a circle with an X in it (d) a dot where wires meet
8. 8.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) battery (c) LED (d) switch
9. 9.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with an X in it (d) triangle, bar and arrows
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) LED (c) wire (d) resistor
11. 11.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) ammeter (c) diode (d) capacitor
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) capacitor (c) bulb (d) battery
13. 13.True or false: a small empty box is the symbol for a battery. (a) False (b) True
14. 14.True or false: a plain rectangle is the symbol for a diode. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) bulb (c) ammeter (d) capacitor
16. 16.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) triangle against a bar (c) a circle with an X in it (d) a circle with V inside
17. 17.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle, bar and arrows (c) a circle with A inside (d) a plain rectangle
18. 18.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) True (b) False
19. 19.Which drawing is the symbol for a switch? (a) triangle against a bar (b) one tall, one short bar (c) a line lifted at a gap (d) a circle with an X in it
20. 20.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
21. 21.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
22. 22.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) battery (c) LED (d) resistor
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) diode (c) battery (d) voltmeter
26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) diode (c) junction (d) cell
27. 27.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) two equal parallel lines (c) two or more cell symbols (d) a circle with V inside
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) capacitor (c) cell (d) motor
29. 29.Which drawing is the symbol for a wire? (a) a long and a short line (b) a plain rectangle (c) a straight line (d) a circle with a cross
30. 30.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
31. 31.Which drawing is the symbol for a battery? (a) a circle with M inside (b) a small empty box (c) two equal parallel lines (d) two or more cell symbols
32. 32.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
33. 33.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) LED (c) switch (d) cell
35. 35.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) junction (c) motor (d) switch
38. 38.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
39. 39.Which drawing is the symbol for a battery? (a) many long-short pairs (b) two equal parallel lines (c) triangle against a bar (d) a circle with A inside
40. 40.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True

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