Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 898 · 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: two or more cell symbols is the symbol for a junction. (a) False (b) True
2. 2.True or false: a circle with M inside is the symbol for a capacitor. (a) False (b) True
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
4. 4.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
5. 5.Which drawing is the symbol for a diode? (a) triangle, bar and arrows (b) a circle with A inside (c) triangle against a bar (d) a circle with M inside
6. 6.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a straight line (c) a long and a short line (d) triangle against a bar
7. 7.True or false: a dot where wires meet is the symbol for a resistor. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) cell (c) resistor (d) switch
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) voltmeter (c) LED (d) cell
10. 10.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) motor (c) diode (d) bulb
12. 12.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
13. 13.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with V inside (c) two or more cell symbols (d) triangle against a bar
14. 14.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle against a bar (c) a dot where wires meet (d) a plain rectangle
15. 15.True or false: a dot where wires meet is the symbol for a diode. (a) False (b) True
16. 16.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
17. 17.True or false: a dot where wires meet is the symbol for a voltmeter. (a) False (b) True
18. 18.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
19. 19.Which drawing is the symbol for a capacitor? (a) a straight line (b) a plain rectangle (c) two equal parallel lines (d) a circle with M inside
20. 20.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) many long-short pairs (c) a circle with a cross (d) a circle with V inside
21. 21.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) LED (c) battery (d) ammeter
22. 22.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) ammeter (c) diode (d) wire
24. 24.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a long and a short line (c) a circle with an X in it (d) triangle against a bar
25. 25.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) triangle against a bar (c) a small empty box (d) a dot where wires meet
26. 26.True or false: triangle, bar and arrows is the symbol for a junction. (a) False (b) True
27. 27.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) switch (c) cell (d) bulb
29. 29.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a long and a short line (c) a small empty box (d) a circle with an X in it
30. 30.Which drawing is the symbol for a junction? (a) triangle against a bar (b) a circle with V inside (c) a dot where wires meet (d) many long-short pairs
31. 31.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) many long-short pairs (c) a small empty box (d) a line lifted at a gap
32. 32.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) switch (c) battery (d) wire
33. 33.True or false: a circle with V inside is the symbol for a wire. (a) False (b) True
34. 34.True or false: a circle with M inside is the symbol for a wire. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) bulb (c) motor (d) diode
36. 36.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
37. 37.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) cell (c) junction (d) bulb
39. 39.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
40. 40.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) LED (c) battery (d) capacitor

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