Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 711 · 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 circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
2. 2.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a straight line (c) many long-short pairs (d) a circle with A inside
3. 3.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a circle with A inside (c) a line lifted at a gap (d) two equal parallel lines
4. 4.Which drawing is the symbol for a cell? (a) a circle with M inside (b) one tall, one short bar (c) a circle with an X in it (d) a line lifted at a gap
5. 5.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) many long-short pairs (c) a circle with a cross (d) a small empty box
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
7. 7.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) capacitor (c) LED (d) switch
8. 8.Which drawing is the symbol for an LED? (a) a plain rectangle (b) two equal parallel lines (c) triangle, bar and arrows (d) a straight line
9. 9.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) battery (c) voltmeter (d) motor
10. 10.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
11. 11.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
12. 12.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a circle with A inside (c) one tall, one short bar (d) a dot where wires meet
13. 13.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to hide the circuit (d) to make it colourful
14. 14.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) junction (c) resistor (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) junction (c) voltmeter (d) LED
16. 16.Which drawing is the symbol for a bulb? (a) a long and a short line (b) triangle against a bar (c) a circle with A inside (d) a circle with an X in it
17. 17.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) two or more cell symbols (c) one tall, one short bar (d) a circle with a cross
18. 18.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) False (b) True
19. 19.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) LED (c) motor (d) bulb
21. 21.True or false: two equal parallel lines is the symbol for a cell. (a) True (b) False
22. 22.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a circle with V inside (c) a plain rectangle (d) a line lifted at a gap
23. 23.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) a circle with an X in it (c) a line lifted at a gap (d) two equal parallel lines
24. 24.Which drawing is the symbol for a wire? (a) a straight line (b) two or more cell symbols (c) a dot where wires meet (d) a circle with an X in it
25. 25.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
26. 26.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
27. 27.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) voltmeter (c) ammeter (d) resistor
29. 29.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) ammeter (c) capacitor (d) junction
30. 30.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) resistor (b) bulb (c) switch (d) motor
31. 31.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) resistor (c) cell (d) diode
34. 34.True or false: a small empty box is the symbol for a battery. (a) True (b) False
35. 35.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
36. 36.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) cell (c) bulb (d) junction
38. 38.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) cell (c) wire (d) junction
39. 39.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
40. 40.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False

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