Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 480 · 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 wire? (a) many long-short pairs (b) two or more cell symbols (c) a small empty box (d) a straight line
2. 2.Which drawing is the symbol for a capacitor? (a) a straight line (b) two equal parallel lines (c) triangle against a bar (d) a dot where wires meet
3. 3.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with A inside (c) a straight line (d) triangle against a bar
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) resistor (c) bulb (d) motor
5. 5.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) many long-short pairs (c) a circle with an X in it (d) a small empty box
6. 6.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a straight line (c) a line lifted at a gap (d) one tall, one short bar
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
9. 9.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) two or more cell symbols (c) a dot where wires meet (d) a circle with a cross
10. 10.True or false: a small empty box is the symbol for a bulb. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) capacitor (d) voltmeter
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) voltmeter (c) battery (d) wire
13. 13.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with V inside (c) a circle with A inside (d) a circle with an X in it
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) battery (c) switch (d) voltmeter
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) dotted circles (d) little stars
16. 16.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a line lifted at a gap (c) a circle with M inside (d) a straight line
17. 17.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a long and a short line (c) a circle with an X in it (d) a circle with A inside
18. 18.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
19. 19.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
20. 20.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) one tall, one short bar (c) a dot where wires meet (d) two equal parallel lines
21. 21.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) battery (c) voltmeter (d) cell
23. 23.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
24. 24.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) junction (c) wire (d) resistor
26. 26.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) capacitor (c) resistor (d) cell
27. 27.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) capacitor (c) bulb (d) LED
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) capacitor (b) resistor (c) junction (d) wire
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) LED (c) cell (d) bulb
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) switch (c) LED (d) resistor
31. 31.True or false: a circle with M inside is the symbol for a junction. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) capacitor (c) cell (d) junction
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) switch (c) motor (d) cell
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) voltmeter (d) motor
35. 35.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two equal parallel lines (c) a small empty box (d) two or more cell symbols
36. 36.True or false: a circle with V inside is the symbol for a diode. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) LED (b) cell (c) ammeter (d) switch
38. 38.Which drawing is the symbol for a battery? (a) a circle with a cross (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with M inside
39. 39.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) bulb (c) wire (d) ammeter

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