Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 306 · 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 ammeter? (a) a long and a short line (b) two equal parallel lines (c) a circle with A inside (d) triangle, bar and arrows
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) cell (c) motor (d) voltmeter
3. 3.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) resistor (c) voltmeter (d) diode
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
5. 5.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a small empty box (c) a circle with a cross (d) a plain rectangle
6. 6.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) two or more cell symbols (c) triangle, bar and arrows (d) many long-short pairs
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) cell (c) motor (d) wire
8. 8.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) junction (c) cell (d) wire
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) ammeter (c) motor (d) capacitor
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) voltmeter (d) LED
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) LED (d) motor
13. 13.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
14. 14.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) cell (c) ammeter (d) bulb
17. 17.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a straight line (c) a circle with V inside (d) a circle with a cross
18. 18.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
19. 19.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) motor (c) diode (d) LED
21. 21.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a dot where wires meet (c) a small empty box (d) one tall, one short bar
22. 22.True or false: a circle with M inside is the symbol for a wire. (a) True (b) False
23. 23.True or false: triangle against a bar is the symbol for an LED. (a) False (b) True
24. 24.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
25. 25.True or false: a circle with V inside is the symbol for a motor. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) ammeter (c) battery (d) cell
27. 27.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
28. 28.True or false: a circle with a cross is the symbol for a resistor. (a) False (b) True
29. 29.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) two or more cell symbols (c) a long and a short line (d) triangle, bar and arrows
30. 30.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) junction (c) voltmeter (d) capacitor
31. 31.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
32. 32.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
33. 33.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
34. 34.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a circle with M inside (c) a line lifted at a gap (d) a long and a short line
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) switch (c) resistor (d) junction
36. 36.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
37. 37.True or false: a straight line is the symbol for a switch. (a) False (b) True
38. 38.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) a circle with a cross (c) a circle with V inside (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) motor (c) wire (d) junction
40. 40.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with V inside (c) a line lifted at a gap (d) a dot where wires meet

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