Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 763 · 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.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a circle with V inside (c) a straight line (d) a circle with A inside
2. 2.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) voltmeter (c) diode (d) battery
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) cell (c) voltmeter (d) junction
5. 5.True or false: a circle with an X in it is the symbol for an LED. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) LED (c) capacitor (d) cell
7. 7.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) triangle, bar and arrows (c) one tall, one short bar (d) two equal parallel lines
8. 8.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) voltmeter (c) diode (d) capacitor
9. 9.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a long and a short line (c) a circle with A inside (d) a small empty box
10. 10.True or false: a long and a short line is the symbol for a resistor. (a) True (b) False
11. 11.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) motor (c) battery (d) junction
13. 13.Which drawing is the symbol for an LED? (a) a small empty box (b) a straight line (c) a dot where wires meet (d) triangle, bar and arrows
14. 14.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) motor (c) battery (d) voltmeter
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) wire (d) switch
18. 18.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
19. 19.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) one tall, one short bar (c) triangle against a bar (d) a line lifted at a gap
20. 20.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) switch (c) wire (d) bulb
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) wire (c) battery (d) bulb
23. 23.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
24. 24.True or false: a long and a short line is the symbol for a diode. (a) False (b) True
25. 25.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a circle with an X in it (c) many long-short pairs (d) a circle with V inside
26. 26.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
27. 27.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
28. 28.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a plain rectangle (c) one tall, one short bar (d) a straight line
29. 29.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a circle with a cross (c) triangle, bar and arrows (d) two equal parallel lines
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) wire (c) resistor (d) capacitor
31. 31.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a straight line (c) a dot where wires meet (d) a circle with A inside
32. 32.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
33. 33.True or false: a circle with M inside is the symbol for a resistor. (a) False (b) True
34. 34.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
35. 35.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) a circle with V inside (d) a dot where wires meet
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) ammeter (c) cell (d) wire
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) diode (c) voltmeter (d) ammeter
38. 38.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a long and a short line (c) a dot where wires meet (d) a circle with V inside
39. 39.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) diode (c) battery (d) ammeter
40. 40.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False

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