Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 848 · 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 capacitor? (a) a long and a short line (b) two or more cell symbols (c) two equal parallel lines (d) a circle with V inside
2. 2.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
4. 4.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a plain rectangle (c) two or more cell symbols (d) two equal parallel lines
5. 5.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
6. 6.True or false: a circle with A inside is the symbol for a switch. (a) False (b) True
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
8. 8.True or false: triangle, bar and arrows is the symbol for a switch. (a) True (b) False
9. 9.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) battery (c) junction (d) resistor
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) voltmeter (d) bulb
12. 12.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
13. 13.Which drawing is the symbol for a junction? (a) a circle with V inside (b) triangle, bar and arrows (c) a dot where wires meet (d) many long-short pairs
14. 14.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) LED (c) battery (d) switch
15. 15.True or false: a dot where wires meet is the symbol for a wire. (a) True (b) False
16. 16.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with A inside (c) a small empty box (d) a circle with an X in it
17. 17.True or false: one tall, one short bar is the symbol for a bulb. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) diode (c) bulb (d) battery
19. 19.True or false: a straight line is the symbol for an ammeter. (a) True (b) False
20. 20.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) diode (c) wire (d) resistor
22. 22.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) ammeter (c) cell (d) capacitor
24. 24.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) triangle against a bar (c) a circle with A inside (d) triangle, bar and arrows
25. 25.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
26. 26.True or false: a small empty box is the symbol for a cell. (a) False (b) True
27. 27.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) wire (c) motor (d) junction
29. 29.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with a cross (c) a circle with A inside (d) a long and a short line
30. 30.True or false: a circle with M inside is the symbol for a junction. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) motor (c) bulb (d) ammeter
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) diode (b) bulb (c) LED (d) voltmeter
33. 33.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
34. 34.True or false: two or more cell symbols is the symbol for a junction. (a) True (b) False
35. 35.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
36. 36.True or false: a circle with an X in it is the symbol for a wire. (a) False (b) True
37. 37.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a plain rectangle (c) one tall, one short bar (d) a circle with M inside
38. 38.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
39. 39.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) triangle against a bar (c) a dot where wires meet (d) a circle with V inside
40. 40.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) wire (c) resistor (d) battery

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