Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 88 · 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.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
2. 2.Which drawing is the symbol for a switch? (a) a circle with A inside (b) one tall, one short bar (c) a line lifted at a gap (d) a circle with M inside
3. 3.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) many long-short pairs (c) a straight line (d) a line lifted at a gap
4. 4.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) switch (c) capacitor (d) bulb
5. 5.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a long and a short line (c) one tall, one short bar (d) a straight line
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
7. 7.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a plain rectangle (c) triangle, bar and arrows (d) a dot where wires meet
8. 8.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) a circle with V inside (c) a long and a short line (d) two equal parallel lines
9. 9.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
10. 10.Which drawing is the symbol for a resistor? (a) a small empty box (b) many long-short pairs (c) a long and a short line (d) a circle with a cross
11. 11.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) one tall, one short bar (d) a circle with a cross
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
13. 13.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
14. 14.Which drawing is the symbol for a diode? (a) a plain rectangle (b) a circle with A inside (c) triangle against a bar (d) a circle with V inside
15. 15.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) switch (c) wire (d) resistor
16. 16.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) voltmeter (c) ammeter (d) resistor
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) junction (c) resistor (d) motor
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) switch (c) ammeter (d) capacitor
19. 19.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
20. 20.True or false: a circle with M inside is the symbol for a voltmeter. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) junction (c) bulb (d) voltmeter
22. 22.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a long and a short line (c) a dot where wires meet (d) two or more cell symbols
23. 23.True or false: a line lifted at a gap is the symbol for a capacitor. (a) False (b) True
24. 24.True or false: triangle against a bar is the symbol for a motor. (a) False (b) True
25. 25.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
26. 26.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) junction (c) battery (d) capacitor
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) bulb (c) LED (d) motor
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) LED (c) capacitor (d) junction
29. 29.True or false: a line lifted at a gap is the symbol for a junction. (a) False (b) True
30. 30.Which drawing is the symbol for an LED? (a) a circle with a cross (b) one tall, one short bar (c) a circle with V inside (d) triangle, bar and arrows
31. 31.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
32. 32.True or false: a long and a short line is the symbol for a battery. (a) False (b) True
33. 33.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) two or more cell symbols (d) a circle with an X in it
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) junction (c) capacitor (d) switch
35. 35.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
36. 36.True or false: a small empty box is the symbol for a cell. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) battery (c) motor (d) bulb
38. 38.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) wire (d) motor
39. 39.True or false: a straight line is the symbol for a battery. (a) True (b) False
40. 40.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with an X in it (c) a line lifted at a gap (d) a small empty box

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