Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 431 · 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 junction? (a) a circle with V inside (b) a circle with A inside (c) a dot where wires meet (d) a long and a short line
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) wire (c) bulb (d) cell
4. 4.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a straight line (c) a circle with A inside (d) a line lifted at a gap
5. 5.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
6. 6.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with an X in it (c) many long-short pairs (d) two or more cell symbols
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) voltmeter (c) battery (d) resistor
8. 8.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) motor (d) LED
10. 10.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
11. 11.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) wavy lines (d) dotted circles
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) cell (d) switch
13. 13.Which drawing is the symbol for a battery? (a) a small empty box (b) a circle with V inside (c) a circle with an X in it (d) many long-short pairs
14. 14.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) LED (c) battery (d) junction
15. 15.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) two or more cell symbols (c) a straight line (d) a circle with A inside
16. 16.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) diode (c) switch (d) resistor
18. 18.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) cell (c) wire (d) bulb
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) wire (c) switch (d) resistor
20. 20.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) cell (c) battery (d) wire
21. 21.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a dot where wires meet (c) a line lifted at a gap (d) a small empty box
22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) wire (c) motor (d) junction
23. 23.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
24. 24.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a line lifted at a gap (c) a circle with a cross (d) a plain rectangle
25. 25.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a straight line (c) two equal parallel lines (d) one tall, one short bar
26. 26.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
27. 27.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
28. 28.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
29. 29.Which drawing is the symbol for a cell? (a) a plain rectangle (b) many long-short pairs (c) triangle against a bar (d) a long and a short line
30. 30.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a circle with A inside (c) two equal parallel lines (d) a dot where wires meet
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) junction (c) diode (d) bulb
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) cell (c) voltmeter (d) bulb
33. 33.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) resistor (c) battery (d) motor
34. 34.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
35. 35.True or false: a straight line is the symbol for an ammeter. (a) True (b) False
36. 36.Which drawing is the symbol for an LED? (a) a dot where wires meet (b) a straight line (c) triangle, bar and arrows (d) a small empty box
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) cell (c) motor (d) voltmeter
38. 38.True or false: triangle against a bar is the symbol for a motor. (a) False (b) True
39. 39.True or false: a plain rectangle is the symbol for an LED. (a) True (b) False
40. 40.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a circle with an X in it (c) a plain rectangle (d) a long and a short line

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