Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 106 · 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.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
2. 2.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
3. 3.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a small empty box (c) two or more cell symbols (d) a line lifted at a gap
4. 4.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) motor (d) bulb
5. 5.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with an X in it (c) one tall, one short bar (d) a circle with V inside
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) LED (c) bulb (d) motor
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) battery (c) capacitor (d) junction
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
9. 9.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) capacitor (c) wire (d) battery
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) junction (c) ammeter (d) cell
11. 11.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a circle with an X in it (c) one tall, one short bar (d) a straight line
12. 12.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) triangle, bar and arrows (c) a circle with M inside (d) a circle with V inside
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
14. 14.True or false: a straight line is the symbol for a cell. (a) True (b) False
15. 15.True or false: one tall, one short bar is the symbol for a resistor. (a) False (b) True
16. 16.Which drawing is the symbol for a resistor? (a) a straight line (b) a circle with A inside (c) a dot where wires meet (d) a plain rectangle
17. 17.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with M inside (c) a circle with a cross (d) a long and a short line
18. 18.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a line lifted at a gap (c) triangle, bar and arrows (d) a long and a short line
19. 19.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
20. 20.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a plain rectangle (c) a circle with M inside (d) a dot where wires meet
21. 21.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) True (b) False
22. 22.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a line lifted at a gap (c) a straight line (d) a dot where wires meet
23. 23.True or false: a circle with M inside is the symbol for a resistor. (a) False (b) True
24. 24.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
25. 25.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) capacitor (c) battery (d) voltmeter
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) switch (c) battery (d) bulb
28. 28.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) two or more cell symbols (c) a dot where wires meet (d) a circle with A inside
29. 29.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) voltmeter (c) LED (d) capacitor
30. 30.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a line lifted at a gap (c) a circle with an X in it (d) a small empty box
31. 31.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a circle with A inside (c) a circle with an X in it (d) a small empty box
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) diode (c) motor (d) battery
33. 33.True or false: a circle with a cross is the symbol for a motor. (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.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) resistor (b) switch (c) ammeter (d) LED
36. 36.Which drawing is the symbol for an LED? (a) a straight line (b) a circle with A inside (c) triangle, bar and arrows (d) many long-short pairs
37. 37.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) ammeter (c) resistor (d) switch
39. 39.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a circle with an X in it (c) a long and a short line (d) a circle with A inside
40. 40.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False

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