Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 485 · 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.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a circle with a cross (c) a straight line (d) a line lifted at a gap
2. 2.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) battery (d) voltmeter
4. 4.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) ammeter (c) diode (d) switch
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) ammeter (c) resistor (d) LED
8. 8.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) switch (c) battery (d) wire
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) wire (c) voltmeter (d) switch
10. 10.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with an X in it (c) a straight line (d) two or more cell symbols
11. 11.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
12. 12.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
13. 13.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a circle with M inside (c) a small empty box (d) a dot where wires meet
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
15. 15.True or false: a straight line is the symbol for a cell. (a) True (b) False
16. 16.True or false: a circle with A inside is the symbol for a wire. (a) True (b) False
17. 17.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with an X in it (c) a plain rectangle (d) triangle, bar and arrows
18. 18.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) battery (c) motor (d) cell
19. 19.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) cell (c) junction (d) switch
20. 20.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) junction (c) switch (d) LED
22. 22.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with A inside (c) a plain rectangle (d) one tall, one short bar
23. 23.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
24. 24.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with a cross (c) triangle, bar and arrows (d) two or more cell symbols
25. 25.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a circle with M inside (c) two equal parallel lines (d) a line lifted at a gap
26. 26.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
27. 27.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with M inside (d) a dot where wires meet
28. 28.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) voltmeter (c) capacitor (d) cell
29. 29.True or false: a circle with M inside is the symbol for a bulb. (a) False (b) True
30. 30.True or false: many long-short pairs is the symbol for a switch. (a) False (b) True
31. 31.True or false: a straight line is the symbol for a wire. (a) True (b) False
32. 32.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
33. 33.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a circle with an X in it (c) two or more cell symbols (d) a long and a short line
34. 34.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a dot where wires meet (c) a circle with a cross (d) triangle against a bar
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) cell (c) resistor (d) diode
36. 36.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) bulb (c) voltmeter (d) capacitor
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) voltmeter (d) switch
38. 38.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a circle with A inside (c) a circle with V inside (d) two or more cell symbols
39. 39.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a dot where wires meet (c) many long-short pairs (d) a plain rectangle
40. 40.Which drawing is the symbol for an LED? (a) a circle with A inside (b) a line lifted at a gap (c) triangle, bar and arrows (d) a circle with an X in it

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