Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 460 · 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 an LED? (a) triangle, bar and arrows (b) a circle with V inside (c) a small empty box (d) a long and a short line
2. 2.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) switch (c) ammeter (d) wire
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
4. 4.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) bulb (c) LED (d) diode
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
7. 7.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) a circle with A inside (c) a small empty box (d) a straight line
8. 8.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a plain rectangle (c) two or more cell symbols (d) a line lifted at a gap
9. 9.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
11. 11.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a dot where wires meet (c) triangle, bar and arrows (d) a circle with V inside
12. 12.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
13. 13.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) a circle with A inside (c) a plain rectangle (d) triangle against a bar
14. 14.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) cell (c) resistor (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) motor (c) capacitor (d) bulb
16. 16.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) battery (c) junction (d) ammeter
18. 18.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a line lifted at a gap (c) many long-short pairs (d) a circle with a cross
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) diode (c) bulb (d) resistor
20. 20.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) one tall, one short bar (c) a line lifted at a gap (d) a circle with an X in it
21. 21.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
22. 22.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
23. 23.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
24. 24.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with V inside (c) one tall, one short bar (d) a circle with an X in it
25. 25.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) two equal parallel lines (c) many long-short pairs (d) a dot where wires meet
26. 26.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with A inside (c) a circle with a cross (d) a circle with V inside
27. 27.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) bulb (c) ammeter (d) junction
28. 28.True or false: a circle with a cross is the symbol for a wire. (a) True (b) False
29. 29.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a small empty box (c) a straight line (d) a line lifted at a gap
30. 30.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) capacitor (c) bulb (d) cell
32. 32.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) voltmeter (c) resistor (d) battery
33. 33.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
34. 34.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
35. 35.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) resistor (c) junction (d) battery
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
38. 38.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
39. 39.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with M inside (c) a circle with A inside (d) a dot where wires meet
40. 40.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True

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