Electronics Worksheet: Circuit Symbols

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

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