Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 539 · 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, which part is drawn as two or more cell symbols? (a) bulb (b) battery (c) voltmeter (d) cell
2. 2.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a plain rectangle (c) two or more cell symbols (d) a dot where wires meet
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
4. 4.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) wire (c) LED (d) diode
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
6. 6.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) resistor (c) wire (d) junction
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
8. 8.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) motor (c) voltmeter (d) capacitor
9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) resistor (c) capacitor (d) cell
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) LED (c) battery (d) switch
11. 11.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
12. 12.True or false: a small empty box is the symbol for a motor. (a) True (b) False
13. 13.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a dot where wires meet (c) many long-short pairs (d) a plain rectangle
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
15. 15.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
16. 16.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) resistor (c) wire (d) motor
17. 17.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a dot where wires meet (c) two or more cell symbols (d) a straight line
18. 18.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) resistor (c) motor (d) cell
19. 19.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) resistor (c) junction (d) ammeter
20. 20.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) one tall, one short bar (c) a circle with M inside (d) a circle with A inside
21. 21.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
22. 22.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a long and a short line (c) a circle with a cross (d) triangle, bar and arrows
23. 23.Which drawing is the symbol for a diode? (a) a plain rectangle (b) a dot where wires meet (c) a circle with an X in it (d) triangle against a bar
24. 24.True or false: a plain rectangle is the symbol for an LED. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) junction (c) bulb (d) resistor
26. 26.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) battery (c) LED (d) resistor
27. 27.True or false: a plain rectangle is the symbol for a cell. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) LED (c) switch (d) motor
29. 29.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
30. 30.Which drawing is the symbol for a motor? (a) a small empty box (b) a circle with a cross (c) a dot where wires meet (d) a circle with M inside
31. 31.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) triangle against a bar (c) a small empty box (d) many long-short pairs
32. 32.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with a cross
33. 33.True or false: a straight line is the symbol for a wire. (a) True (b) False
34. 34.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a dot where wires meet (c) a long and a short line (d) a circle with an X in it
35. 35.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) LED (c) cell (d) battery
36. 36.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
37. 37.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
38. 38.True or false: a small empty box is the symbol for a cell. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) voltmeter (c) bulb (d) LED
40. 40.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False

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