Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 514 · 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 a straight line? (a) LED (b) wire (c) switch (d) cell
2. 2.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
4. 4.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a small empty box (c) one tall, one short bar (d) triangle, bar and arrows
5. 5.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) wire (c) capacitor (d) cell
6. 6.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) cell (c) diode (d) LED
7. 7.Which drawing is the symbol for a motor? (a) a straight line (b) a circle with a cross (c) a circle with M inside (d) a small empty box
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) resistor (c) battery (d) diode
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) voltmeter (c) battery (d) motor
11. 11.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a plain rectangle (c) two equal parallel lines (d) a straight line
12. 12.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) two or more cell symbols (c) a circle with M inside (d) a dot where wires meet
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) junction (c) LED (d) motor
14. 14.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
15. 15.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with M inside (c) a circle with an X in it (d) a dot where wires meet
16. 16.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) bulb (c) battery (d) resistor
17. 17.True or false: a dot where wires meet is the symbol for a wire. (a) True (b) False
18. 18.True or false: a straight line is the symbol for a wire. (a) True (b) False
19. 19.Which drawing is the symbol for a wire? (a) a straight line (b) a long and a short line (c) a circle with a cross (d) two or more cell symbols
20. 20.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) cell (c) LED (d) switch
22. 22.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
23. 23.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with V inside (c) a circle with A inside (d) a line lifted at a gap
24. 24.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
25. 25.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a small empty box (c) a line lifted at a gap (d) a straight line
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) LED (c) voltmeter (d) junction
27. 27.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a circle with V inside (c) a circle with A inside (d) triangle, bar and arrows
28. 28.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) bulb (c) LED (d) battery
29. 29.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a long and a short line (c) a circle with V inside (d) a straight line
30. 30.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a long and a short line (c) two or more cell symbols (d) a circle with a cross
31. 31.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
32. 32.True or false: triangle, bar and arrows is the symbol for a motor. (a) True (b) False
33. 33.Which drawing is the symbol for a resistor? (a) a small empty box (b) a straight line (c) two or more cell symbols (d) a circle with M inside
34. 34.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) many long-short pairs (c) two equal parallel lines (d) a circle with a cross
35. 35.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a circle with a cross (c) many long-short pairs (d) triangle, bar and arrows
36. 36.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) switch (c) LED (d) ammeter
37. 37.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
38. 38.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) cell (c) resistor (d) switch
40. 40.True or false: a circle with V inside is the symbol for a junction. (a) False (b) True

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