Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 544 · 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 cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) LED (d) motor
3. 3.True or false: a straight line is the symbol for a wire. (a) True (b) False
4. 4.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with A inside (c) a circle with V inside (d) a straight line
5. 5.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a small empty box (c) many long-short pairs (d) triangle against a bar
6. 6.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
8. 8.True or false: a straight line is the symbol for an ammeter. (a) False (b) True
9. 9.Which drawing is the symbol for a wire? (a) a plain rectangle (b) a dot where wires meet (c) two equal parallel lines (d) a straight line
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) battery (d) switch
11. 11.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a straight line (c) a circle with a cross (d) two equal parallel lines
12. 12.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) voltmeter (c) bulb (d) cell
14. 14.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) motor (c) switch (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) wire (c) capacitor (d) battery
16. 16.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a dot where wires meet (c) triangle, bar and arrows (d) a circle with an X in it
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) ammeter (c) voltmeter (d) wire
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) motor (c) voltmeter (d) capacitor
19. 19.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a small empty box (c) triangle against a bar (d) two equal parallel lines
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) junction (c) ammeter (d) voltmeter
21. 21.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) two or more cell symbols (c) a circle with M inside (d) a long and a short line
22. 22.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) voltmeter (c) capacitor (d) cell
23. 23.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) two equal parallel lines (c) a circle with an X in it (d) a circle with V inside
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) capacitor (c) switch (d) cell
25. 25.True or false: a circle with A inside is the symbol for a switch. (a) True (b) False
26. 26.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
27. 27.True or false: triangle against a bar is the symbol for a cell. (a) False (b) True
28. 28.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
29. 29.Which drawing is the symbol for a junction? (a) a circle with a cross (b) many long-short pairs (c) one tall, one short bar (d) a dot where wires meet
30. 30.True or false: triangle against a bar is the symbol for a voltmeter. (a) False (b) True
31. 31.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) capacitor (c) cell (d) resistor
33. 33.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
34. 34.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
35. 35.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a line lifted at a gap (c) a long and a short line (d) two or more cell symbols
36. 36.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) to make it colourful (d) quick and clear for all
37. 37.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) motor (c) battery (d) switch
38. 38.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) a circle with an X in it (d) a long and a short line
39. 39.True or false: a circle with a cross is the symbol for an LED. (a) False (b) True
40. 40.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a circle with an X in it (c) a long and a short line (d) a straight line

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