Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 513 · 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 circle with A inside? (a) LED (b) junction (c) wire (d) ammeter
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) capacitor (c) bulb (d) battery
3. 3.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
4. 4.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
6. 6.Which drawing is the symbol for a motor? (a) a circle with A inside (b) two equal parallel lines (c) a small empty box (d) a circle with M inside
7. 7.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
8. 8.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a circle with V inside (c) a circle with A inside (d) triangle against a bar
9. 9.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
10. 10.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) ammeter (d) bulb
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
13. 13.Which drawing is the symbol for a switch? (a) a circle with M inside (b) a circle with an X in it (c) a circle with a cross (d) a line lifted at a gap
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) resistor (c) battery (d) wire
15. 15.Which drawing is the symbol for a capacitor? (a) a straight line (b) two equal parallel lines (c) a plain rectangle (d) a circle with V inside
16. 16.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a plain rectangle (c) two or more cell symbols (d) many long-short pairs
18. 18.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) capacitor (c) cell (d) battery
20. 20.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) diode (c) capacitor (d) cell
21. 21.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) bulb (c) junction (d) cell
22. 22.True or false: triangle, bar and arrows is the symbol for a cell. (a) True (b) False
23. 23.Which drawing is the symbol for a diode? (a) many long-short pairs (b) a circle with A inside (c) triangle against a bar (d) a circle with a cross
24. 24.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) LED (c) bulb (d) cell
25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) junction (c) LED (d) wire
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) switch (c) capacitor (d) motor
27. 27.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a plain rectangle (c) a dot where wires meet (d) a circle with an X in it
28. 28.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
29. 29.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) motor (d) junction
31. 31.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with A inside (d) a circle with a cross
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) ammeter (c) battery (d) motor
33. 33.True or false: a circle with a cross is the symbol for an LED. (a) True (b) False
34. 34.Which drawing is the symbol for a bulb? (a) a small empty box (b) one tall, one short bar (c) a straight line (d) a circle with a cross
35. 35.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
36. 36.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) triangle against a bar (c) a circle with V inside (d) a plain rectangle
37. 37.True or false: a circle with an X in it is the symbol for a junction. (a) False (b) True
38. 38.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
39. 39.Which drawing is the symbol for an LED? (a) a long and a short line (b) a circle with an X in it (c) a plain rectangle (d) triangle, bar and arrows
40. 40.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False

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