Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 317 · 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 a cross is the symbol for a cell. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) diode (c) resistor (d) LED
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) voltmeter (c) junction (d) battery
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) LED (d) switch
5. 5.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) diode (c) junction (d) LED
7. 7.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
8. 8.Which drawing is the symbol for an LED? (a) a small empty box (b) triangle, bar and arrows (c) a circle with A inside (d) a circle with M inside
9. 9.True or false: one tall, one short bar is the symbol for an ammeter. (a) True (b) False
10. 10.True or false: triangle, bar and arrows is the symbol for a cell. (a) True (b) False
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) bulb (c) battery (d) ammeter
13. 13.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
14. 14.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
15. 15.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
16. 16.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a long and a short line (c) two or more cell symbols (d) a line lifted at a gap
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) switch (c) bulb (d) voltmeter
18. 18.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) bulb (c) capacitor (d) switch
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) switch (c) voltmeter (d) junction
22. 22.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) resistor (c) bulb (d) capacitor
23. 23.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
24. 24.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) triangle against a bar (c) a circle with an X in it (d) a long and a short line
25. 25.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) one tall, one short bar (c) two equal parallel lines (d) a line lifted at a gap
26. 26.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a plain rectangle (c) one tall, one short bar (d) a circle with an X in it
27. 27.True or false: a circle with V inside is the symbol for a switch. (a) True (b) False
28. 28.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle, bar and arrows (c) a circle with a cross (d) a circle with A inside
29. 29.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) bulb (c) junction (d) capacitor
30. 30.Which drawing is the symbol for a battery? (a) a long and a short line (b) a straight line (c) many long-short pairs (d) a circle with A inside
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) diode (c) ammeter (d) switch
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) ammeter (c) capacitor (d) switch
33. 33.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
34. 34.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
35. 35.Which drawing is the symbol for a wire? (a) a circle with V inside (b) one tall, one short bar (c) two equal parallel lines (d) a straight line
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) capacitor (c) diode (d) bulb
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
38. 38.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
39. 39.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
40. 40.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) two or more cell symbols (c) two equal parallel lines (d) a circle with V inside

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