Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 526 · 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 circle with a cross? (a) battery (b) wire (c) bulb (d) resistor
2. 2.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
3. 3.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
5. 5.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) motor (c) cell (d) junction
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) ammeter (c) diode (d) bulb
7. 7.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True
8. 8.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a dot where wires meet (c) a straight line (d) a line lifted at a gap
9. 9.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a long and a short line (c) a small empty box (d) a line lifted at a gap
10. 10.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) ammeter (c) cell (d) resistor
11. 11.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
12. 12.Which drawing is the symbol for an LED? (a) a circle with M inside (b) two or more cell symbols (c) triangle, bar and arrows (d) a long and a short line
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
14. 14.Which drawing is the symbol for a diode? (a) a straight line (b) triangle against a bar (c) triangle, bar and arrows (d) many long-short pairs
15. 15.True or false: triangle against a bar is the symbol for a cell. (a) False (b) True
16. 16.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) cell (c) ammeter (d) bulb
18. 18.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) resistor (c) switch (d) battery
20. 20.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with V inside (c) a circle with M inside (d) a circle with an X in it
21. 21.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) battery (c) motor (d) cell
23. 23.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) ammeter (c) motor (d) junction
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) cell (c) resistor (d) battery
26. 26.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) two equal parallel lines (c) a circle with an X in it (d) a circle with A inside
27. 27.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a circle with M inside (c) a line lifted at a gap (d) many long-short pairs
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) switch (c) junction (d) bulb
29. 29.Which drawing is the symbol for a junction? (a) a circle with an X in it (b) many long-short pairs (c) a long and a short line (d) a dot where wires meet
30. 30.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with M inside (c) a line lifted at a gap (d) a long and a short line
31. 31.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) triangle against a bar (c) triangle, bar and arrows (d) a circle with a cross
32. 32.True or false: a line lifted at a gap is the symbol for a resistor. (a) False (b) True
33. 33.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a straight line (c) a dot where wires meet (d) a circle with a cross
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) diode (c) capacitor (d) motor
35. 35.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
36. 36.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
37. 37.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) switch (c) battery (d) voltmeter
39. 39.True or false: a long and a short line is the symbol for an ammeter. (a) True (b) False
40. 40.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False

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