Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 705 · 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 equal parallel lines? (a) bulb (b) resistor (c) capacitor (d) cell
2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
3. 3.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) LED (c) battery (d) wire
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) battery (c) cell (d) switch
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
6. 6.Which drawing is the symbol for a resistor? (a) a straight line (b) triangle, bar and arrows (c) a plain rectangle (d) one tall, one short bar
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) voltmeter (c) battery (d) resistor
8. 8.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
9. 9.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
10. 10.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a long and a short line (c) a circle with an X in it (d) many long-short pairs
11. 11.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) a line lifted at a gap (c) a straight line (d) two equal parallel lines
12. 12.Which drawing is the symbol for a battery? (a) a circle with a cross (b) triangle, bar and arrows (c) a small empty box (d) two or more cell symbols
13. 13.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
14. 14.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
15. 15.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
16. 16.Which drawing is the symbol for a cell? (a) a circle with M inside (b) triangle, bar and arrows (c) a long and a short line (d) two or more cell symbols
17. 17.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
18. 18.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) diode (c) bulb (d) battery
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) resistor (c) bulb (d) battery
21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) voltmeter (c) bulb (d) diode
22. 22.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) triangle against a bar (c) two equal parallel lines (d) a straight line
23. 23.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) switch (c) bulb (d) cell
25. 25.True or false: many long-short pairs is the symbol for a wire. (a) True (b) False
26. 26.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a plain rectangle (c) a circle with A inside (d) a circle with V inside
27. 27.True or false: a circle with V inside is the symbol for a capacitor. (a) False (b) True
28. 28.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) voltmeter (c) battery (d) bulb
30. 30.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a straight line (c) a line lifted at a gap (d) a circle with V inside
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) battery (c) switch (d) motor
32. 32.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
33. 33.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) LED (c) motor (d) switch
35. 35.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
36. 36.Which drawing is the symbol for a motor? (a) a straight line (b) a line lifted at a gap (c) two equal parallel lines (d) a circle with M inside
37. 37.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True
38. 38.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) one tall, one short bar (c) a circle with V inside (d) a circle with a cross
39. 39.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a circle with A inside (c) a line lifted at a gap (d) a circle with an X in it
40. 40.True or false: a dot where wires meet is the symbol for a bulb. (a) False (b) True

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