Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 557 · 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 a cross (b) a dot where wires meet (c) a small empty box (d) triangle, bar and arrows
2. 2.Which drawing is the symbol for a battery? (a) a long and a short line (b) a circle with A inside (c) two or more cell symbols (d) a straight line
3. 3.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) bulb (c) LED (d) battery
5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) wire (d) diode
6. 6.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) voltmeter (c) battery (d) resistor
8. 8.True or false: a long and a short line is the symbol for a diode. (a) False (b) True
9. 9.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
10. 10.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with a cross (c) a plain rectangle (d) a straight line
11. 11.Which drawing is the symbol for a diode? (a) triangle against a bar (b) two or more cell symbols (c) a circle with M inside (d) a circle with an X in it
12. 12.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) diode (b) junction (c) wire (d) voltmeter
13. 13.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
14. 14.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) triangle, bar and arrows (c) a dot where wires meet (d) a circle with a cross
15. 15.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a circle with M inside (c) many long-short pairs (d) a small empty box
16. 16.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) diode (c) voltmeter (d) resistor
18. 18.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) a long and a short line (c) a circle with M inside (d) two equal parallel lines
19. 19.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) a circle with A inside (c) triangle, bar and arrows (d) a line lifted at a gap
20. 20.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) bulb (c) voltmeter (d) wire
21. 21.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
22. 22.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
23. 23.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) cell (c) switch (d) battery
24. 24.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) capacitor (c) LED (d) resistor
26. 26.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two or more cell symbols (c) a circle with M inside (d) many long-short pairs
27. 27.True or false: triangle, bar and arrows is the symbol for a cell. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) battery (c) LED (d) cell
29. 29.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a dot where wires meet (c) a circle with an X in it (d) a straight line
30. 30.True or false: a circle with M inside is the symbol for a capacitor. (a) False (b) True
31. 31.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
32. 32.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) True (b) False
33. 33.True or false: a straight line is the symbol for a bulb. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) switch (c) battery (d) motor
35. 35.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a circle with a cross (c) a dot where wires meet (d) a circle with M inside
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) ammeter (c) switch (d) motor
37. 37.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) cell (c) junction (d) switch
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) battery (c) bulb (d) motor
40. 40.Which drawing is the symbol for a wire? (a) a circle with a cross (b) triangle, bar and arrows (c) two or more cell symbols (d) a straight line

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