Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 839 · 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 equal parallel lines? (a) ammeter (b) voltmeter (c) cell (d) capacitor
2. 2.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a circle with A inside (d) many long-short pairs
3. 3.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
5. 5.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with M inside (c) triangle, bar and arrows (d) a long and a short line
6. 6.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) wire (c) junction (d) bulb
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
9. 9.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) diode (c) wire (d) battery
10. 10.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
11. 11.Which drawing is the symbol for a wire? (a) a straight line (b) a long and a short line (c) a circle with an X in it (d) two equal parallel lines
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) bulb (c) ammeter (d) voltmeter
13. 13.✏️ 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
14. 14.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a straight line (c) two equal parallel lines (d) a circle with A inside
15. 15.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) a circle with an X in it (d) a plain rectangle
16. 16.Which drawing is the symbol for a switch? (a) a circle with A inside (b) a small empty box (c) a line lifted at a gap (d) a dot where wires meet
17. 17.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) motor (d) capacitor
19. 19.Which drawing is the symbol for a bulb? (a) a straight line (b) two or more cell symbols (c) a plain rectangle (d) a circle with a cross
20. 20.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) triangle against a bar (c) a circle with M inside (d) a circle with an X in it
21. 21.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) switch (c) junction (d) motor
22. 22.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) capacitor (c) voltmeter (d) bulb
24. 24.True or false: a circle with a cross is the symbol for an ammeter. (a) True (b) False
25. 25.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
26. 26.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a circle with V inside (c) two or more cell symbols (d) a straight line
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) junction (c) LED (d) ammeter
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) bulb (c) diode (d) motor
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) junction (c) voltmeter (d) cell
30. 30.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
31. 31.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
32. 32.True or false: a small empty box is the symbol for a bulb. (a) True (b) False
33. 33.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) one tall, one short bar (c) a plain rectangle (d) two equal parallel lines
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) bulb (c) voltmeter (d) cell
35. 35.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) switch (c) cell (d) battery
36. 36.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
37. 37.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
38. 38.Which drawing is the symbol for a cell? (a) a long and a short line (b) many long-short pairs (c) two or more cell symbols (d) a circle with V inside
39. 39.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) cell (c) capacitor (d) bulb
40. 40.True or false: a long and a short line is the symbol for a diode. (a) False (b) True

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids