Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 464 · 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.Which drawing is the symbol for a motor? (a) many long-short pairs (b) one tall, one short bar (c) a circle with M inside (d) two equal parallel lines
2. 2.Which drawing is the symbol for a diode? (a) a plain rectangle (b) a small empty box (c) triangle against a bar (d) a circle with V inside
3. 3.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two or more cell symbols (c) a circle with A inside (d) a circle with a cross
4. 4.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) a straight line (c) a dot where wires meet (d) triangle against a bar
5. 5.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a long and a short line (c) many long-short pairs (d) two equal parallel lines
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
8. 8.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) cell (c) junction (d) diode
10. 10.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) battery (d) wire
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) motor (c) battery (d) ammeter
13. 13.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
14. 14.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
15. 15.True or false: two equal parallel lines is the symbol for a bulb. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) ammeter (c) diode (d) junction
17. 17.Which drawing is the symbol for a battery? (a) a small empty box (b) many long-short pairs (c) triangle, bar and arrows (d) a dot where wires meet
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) junction (b) voltmeter (c) wire (d) LED
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) bulb (c) switch (d) motor
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
21. 21.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
22. 22.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a circle with V inside (c) triangle, bar and arrows (d) one tall, one short bar
23. 23.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True
24. 24.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
25. 25.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) motor (c) ammeter (d) resistor
27. 27.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) motor (d) battery
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) resistor (d) capacitor
29. 29.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) a circle with a cross (c) triangle, bar and arrows (d) triangle against a bar
30. 30.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
31. 31.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a circle with an X in it (c) a long and a short line (d) a dot where wires meet
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) bulb (c) battery (d) motor
33. 33.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) wire (c) motor (d) capacitor
34. 34.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
35. 35.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
36. 36.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) junction (c) capacitor (d) voltmeter
38. 38.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a dot where wires meet (c) a straight line (d) a circle with an X in it
39. 39.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a circle with V inside (c) a circle with A inside (d) a plain rectangle
40. 40.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a long and a short line (c) two or more cell symbols (d) two equal parallel lines

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