Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 619 · 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 dot where wires meet? (a) voltmeter (b) ammeter (c) junction (d) motor
2. 2.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
3. 3.Which drawing is the symbol for an LED? (a) a circle with V inside (b) a dot where wires meet (c) triangle, bar and arrows (d) a small empty box
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) diode (c) bulb (d) cell
5. 5.Which drawing is the symbol for a cell? (a) a long and a short line (b) a plain rectangle (c) a circle with M inside (d) two or more cell symbols
6. 6.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
8. 8.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
9. 9.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) many long-short pairs (c) triangle against a bar (d) a long and a short line
10. 10.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a dot where wires meet (c) one tall, one short bar (d) a line lifted at a gap
11. 11.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) cell (c) ammeter (d) switch
13. 13.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a plain rectangle (c) a long and a short line (d) many long-short pairs
14. 14.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) capacitor (c) bulb (d) switch
15. 15.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
16. 16.True or false: a small empty box is the symbol for a diode. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) battery (c) capacitor (d) resistor
18. 18.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a straight line (c) one tall, one short bar (d) triangle, bar and arrows
19. 19.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) LED (c) voltmeter (d) capacitor
21. 21.Which drawing is the symbol for a resistor? (a) a small empty box (b) a dot where wires meet (c) one tall, one short bar (d) triangle, bar and arrows
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) motor (c) battery (d) cell
23. 23.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a plain rectangle (c) a line lifted at a gap (d) triangle, bar and arrows
24. 24.True or false: a line lifted at a gap is the symbol for a resistor. (a) True (b) False
25. 25.Which drawing is the symbol for a bulb? (a) a long and a short line (b) triangle against a bar (c) a plain rectangle (d) a circle with an X in it
26. 26.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a small empty box (c) a circle with A inside (d) two or more cell symbols
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) LED (c) wire (d) diode
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) capacitor (c) cell (d) bulb
29. 29.True or false: a circle with A inside is the symbol for a cell. (a) False (b) True
30. 30.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
31. 31.True or false: a circle with V inside is the symbol for a cell. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) battery (d) motor
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) ammeter (c) LED (d) capacitor
34. 34.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) a small empty box (c) a straight line (d) two equal parallel lines
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) voltmeter (c) wire (d) resistor
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) LED (c) diode (d) voltmeter
37. 37.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
38. 38.Which drawing is the symbol for a motor? (a) a long and a short line (b) triangle against a bar (c) a circle with M inside (d) a circle with V inside
39. 39.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) motor (c) wire (d) bulb
40. 40.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True

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