Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 242 · 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 circle with V inside? (a) cell (b) motor (c) voltmeter (d) junction
2. 2.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
3. 3.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a circle with A inside (c) a circle with a cross (d) a straight line
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) motor (c) cell (d) bulb
5. 5.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
6. 6.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) bulb (c) switch (d) junction
8. 8.Which drawing is the symbol for a junction? (a) a circle with a cross (b) triangle against a bar (c) two equal parallel lines (d) a dot where wires meet
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) LED (b) ammeter (c) voltmeter (d) battery
11. 11.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
12. 12.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a straight line (c) a plain rectangle (d) two equal parallel lines
13. 13.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a circle with a cross (c) a circle with A inside (d) a long and a short line
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
15. 15.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with V inside (c) a straight line (d) many long-short pairs
16. 16.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) wire (c) resistor (d) cell
17. 17.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) triangle, bar and arrows (c) a circle with a cross (d) a small empty box
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) wire (d) switch
19. 19.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) triangle, bar and arrows (c) triangle against a bar (d) a circle with A inside
20. 20.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
21. 21.True or false: a small empty box is the symbol for a diode. (a) True (b) False
22. 22.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) junction (c) switch (d) cell
24. 24.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
25. 25.True or false: a long and a short line is the symbol for a wire. (a) False (b) True
26. 26.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) cell (c) battery (d) resistor
28. 28.Which drawing is the symbol for a switch? (a) triangle against a bar (b) two or more cell symbols (c) a circle with V inside (d) a line lifted at a gap
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) LED (d) cell
30. 30.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with an X in it
31. 31.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) many long-short pairs (c) a circle with V inside (d) one tall, one short bar
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
33. 33.Which drawing is the symbol for a motor? (a) a dot where wires meet (b) a circle with M inside (c) a circle with a cross (d) a circle with V inside
34. 34.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) LED (c) battery (d) switch
36. 36.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a dot where wires meet (c) a circle with M inside (d) a circle with a cross
37. 37.Which drawing is the symbol for an LED? (a) a long and a short line (b) a small empty box (c) a circle with V inside (d) triangle, bar and arrows
38. 38.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) switch (b) wire (c) capacitor (d) battery
40. 40.True or false: a circle with V inside is the symbol for a battery. (a) True (b) False

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