Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 891 · 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 cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
2. 2.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a long and a short line (c) two or more cell symbols (d) a circle with an X in it
3. 3.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) wire (c) junction (d) cell
4. 4.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) voltmeter (c) junction (d) bulb
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) bulb (c) cell (d) wire
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) diode (d) motor
7. 7.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) dotted circles (d) little stars
9. 9.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a plain rectangle (c) a circle with A inside (d) a line lifted at a gap
10. 10.Which drawing is the symbol for a cell? (a) a long and a short line (b) a dot where wires meet (c) a circle with V inside (d) triangle against a bar
11. 11.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) one tall, one short bar (c) two equal parallel lines (d) a plain rectangle
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) bulb (d) battery
13. 13.Which drawing is the symbol for a switch? (a) a circle with V inside (b) a circle with an X in it (c) a line lifted at a gap (d) a circle with A inside
14. 14.True or false: a straight line is the symbol for a wire. (a) True (b) False
15. 15.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a circle with V inside (c) many long-short pairs (d) a long and a short line
16. 16.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) junction (c) resistor (d) bulb
17. 17.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) LED (c) motor (d) resistor
19. 19.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) resistor (c) switch (d) ammeter
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) LED (c) cell (d) switch
21. 21.True or false: a dot where wires meet is the symbol for a bulb. (a) False (b) True
22. 22.Which drawing is the symbol for an ammeter? (a) a straight line (b) triangle against a bar (c) a circle with a cross (d) a circle with A inside
23. 23.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) resistor (c) switch (d) wire
24. 24.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
25. 25.Which drawing is the symbol for a motor? (a) a circle with a cross (b) a circle with M inside (c) two or more cell symbols (d) a long and a short line
26. 26.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
27. 27.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
28. 28.Which drawing is the symbol for an LED? (a) a circle with V inside (b) two or more cell symbols (c) triangle, bar and arrows (d) a line lifted at a gap
29. 29.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) cell (c) diode (d) switch
31. 31.True or false: a straight line is the symbol for a resistor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) voltmeter (d) cell
33. 33.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
34. 34.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
35. 35.True or false: a circle with A inside is the symbol for a motor. (a) True (b) False
36. 36.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) switch (c) LED (d) cell
38. 38.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) motor (c) switch (d) wire
40. 40.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) two or more cell symbols (c) a small empty box (d) a dot where wires meet

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