Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 800 · 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 or more cell symbols? (a) wire (b) voltmeter (c) battery (d) bulb
2. 2.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) two or more cell symbols (c) one tall, one short bar (d) triangle, bar and arrows
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) bulb (b) switch (c) LED (d) battery
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) cell (c) junction (d) motor
5. 5.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a dot where wires meet (c) a plain rectangle (d) many long-short pairs
6. 6.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
7. 7.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with A inside (c) one tall, one short bar (d) a dot where wires meet
8. 8.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) bulb (c) cell (d) ammeter
9. 9.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) capacitor (c) battery (d) junction
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
11. 11.True or false: a circle with V inside is the symbol for a wire. (a) False (b) True
12. 12.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) bulb (c) diode (d) capacitor
14. 14.✏️ 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
15. 15.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
16. 16.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
17. 17.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a plain rectangle (c) a circle with a cross (d) two equal parallel lines
18. 18.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
19. 19.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) wire (c) battery (d) ammeter
21. 21.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a line lifted at a gap (c) a small empty box (d) a circle with V inside
22. 22.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
23. 23.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a plain rectangle (c) a dot where wires meet (d) a small empty box
24. 24.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) a straight line (c) a circle with A inside (d) triangle against a bar
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) motor (c) LED (d) resistor
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) capacitor (c) ammeter (d) switch
27. 27.True or false: a circle with A inside is the symbol for a resistor. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) motor (d) capacitor
29. 29.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
30. 30.True or false: a straight line is the symbol for a wire. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) junction (c) battery (d) wire
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 an ammeter? (a) a straight line (b) a circle with A inside (c) a plain rectangle (d) a circle with M inside
34. 34.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) switch (c) bulb (d) capacitor
36. 36.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a line lifted at a gap (c) one tall, one short bar (d) many long-short pairs
37. 37.Which drawing is the symbol for a resistor? (a) a small empty box (b) a dot where wires meet (c) a circle with M inside (d) triangle, bar and arrows
38. 38.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) switch (c) LED (d) motor
39. 39.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) one tall, one short bar (d) triangle, bar and arrows
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) capacitor (c) LED (d) voltmeter

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