Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 693 · 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) ammeter (b) bulb (c) resistor (d) junction
2. 2.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with A inside (c) two or more cell symbols (d) a dot where wires meet
3. 3.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
4. 4.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with M inside (c) a dot where wires meet (d) triangle against a bar
5. 5.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with a cross (c) one tall, one short bar (d) a plain rectangle
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) resistor (c) cell (d) battery
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) switch (c) motor (d) voltmeter
9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) wire (c) battery (d) resistor
10. 10.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
11. 11.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
12. 12.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
13. 13.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
14. 14.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a straight line (c) a long and a short line (d) many long-short pairs
15. 15.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a long and a short line (c) a straight line (d) a circle with M inside
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) resistor (c) switch (d) motor
17. 17.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) a circle with V inside (d) a small empty box
18. 18.True or false: a circle with V inside is the symbol for an ammeter. (a) True (b) False
19. 19.True or false: one tall, one short bar is the symbol for a switch. (a) False (b) True
20. 20.True or false: a circle with an X in it is the symbol for a voltmeter. (a) True (b) False
21. 21.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) two or more cell symbols (c) a circle with A inside (d) triangle against a bar
22. 22.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) triangle against a bar (c) a circle with A inside (d) a dot where wires meet
23. 23.Which drawing is the symbol for a junction? (a) a circle with an X in it (b) a dot where wires meet (c) triangle against a bar (d) a circle with a cross
24. 24.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) resistor (c) LED (d) battery
25. 25.Which drawing is the symbol for a diode? (a) a circle with A inside (b) a line lifted at a gap (c) triangle against a bar (d) a long and a short line
26. 26.True or false: triangle against a bar is the symbol for a cell. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) wire (c) bulb (d) cell
28. 28.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
29. 29.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) True (b) False
30. 30.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
31. 31.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
32. 32.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
33. 33.Which drawing is the symbol for a battery? (a) a circle with A inside (b) a circle with V inside (c) a circle with a cross (d) two or more cell symbols
34. 34.True or false: a dot where wires meet is the symbol for an LED. (a) False (b) True
35. 35.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) two or more cell symbols (c) a circle with V inside (d) two equal parallel lines
36. 36.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) motor (c) LED (d) junction
38. 38.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) cell (c) diode (d) voltmeter
39. 39.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
40. 40.True or false: a circle with A inside is the symbol for an LED. (a) False (b) True

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