Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 794 · 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 many long-short pairs? (a) resistor (b) diode (c) battery (d) wire
2. 2.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
3. 3.Which drawing is the symbol for a diode? (a) a long and a short line (b) a circle with an X in it (c) a line lifted at a gap (d) triangle against a bar
4. 4.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) capacitor (c) junction (d) switch
5. 5.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
6. 6.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a long and a short line (c) a plain rectangle (d) a line lifted at a gap
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) dotted circles (d) little stars
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) voltmeter (c) ammeter (d) switch
9. 9.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
10. 10.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
11. 11.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two or more cell symbols (c) a circle with V inside (d) a small empty box
12. 12.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) voltmeter (c) battery (d) ammeter
13. 13.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) battery (c) diode (d) voltmeter
14. 14.True or false: a circle with M inside is the symbol for an ammeter. (a) True (b) False
15. 15.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a plain rectangle (c) triangle, bar and arrows (d) a dot where wires meet
16. 16.Which drawing is the symbol for a battery? (a) a circle with M inside (b) a circle with an X in it (c) many long-short pairs (d) a dot where wires meet
17. 17.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) one tall, one short bar (c) a straight line (d) a circle with V inside
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) battery (c) cell (d) motor
19. 19.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) bulb (d) switch
20. 20.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) bulb (d) ammeter
22. 22.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
23. 23.True or false: a line lifted at a gap is the symbol for a cell. (a) False (b) True
24. 24.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) many long-short pairs (c) a straight line (d) a circle with M inside
25. 25.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a long and a short line (c) triangle, bar and arrows (d) a small empty box
26. 26.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
27. 27.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a small empty box (c) two or more cell symbols (d) a circle with A inside
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) battery (c) junction (d) cell
29. 29.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) cell (c) resistor (d) voltmeter
30. 30.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
31. 31.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) wire (c) resistor (d) ammeter
33. 33.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) switch (c) wire (d) cell
35. 35.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) bulb (c) cell (d) switch
37. 37.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
38. 38.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) capacitor (c) voltmeter (d) bulb
40. 40.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a circle with a cross (c) one tall, one short bar (d) two equal parallel lines

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