Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 463 · 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 dot where wires meet? (a) ammeter (b) junction (c) capacitor (d) battery
2. 2.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) bulb (c) resistor (d) diode
3. 3.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
4. 4.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle against a bar (c) a dot where wires meet (d) a circle with a cross
5. 5.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) two or more cell symbols (c) triangle, bar and arrows (d) a circle with an X in it
6. 6.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a line lifted at a gap (c) a circle with a cross (d) a small empty box
7. 7.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a circle with M inside (c) one tall, one short bar (d) a small empty box
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
9. 9.True or false: triangle, bar and arrows is the symbol for a motor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) junction (c) battery (d) LED
11. 11.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a long and a short line (c) a circle with a cross (d) a line lifted at a gap
12. 12.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) many long-short pairs (c) a dot where wires meet (d) a straight line
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
14. 14.True or false: two equal parallel lines is the symbol for a bulb. (a) False (b) True
15. 15.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) cell (c) voltmeter (d) junction
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) motor (c) bulb (d) battery
18. 18.True or false: a long and a short line is the symbol for a voltmeter. (a) False (b) True
19. 19.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a plain rectangle (c) two or more cell symbols (d) a straight line
20. 20.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) switch (c) voltmeter (d) LED
21. 21.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
22. 22.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
23. 23.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a dot where wires meet (c) many long-short pairs (d) two or more cell symbols
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) switch (c) resistor (d) LED
25. 25.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) capacitor (c) battery (d) voltmeter
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) motor (c) capacitor (d) voltmeter
27. 27.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
28. 28.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
29. 29.Which drawing is the symbol for a diode? (a) a circle with A inside (b) a circle with an X in it (c) triangle against a bar (d) triangle, bar and arrows
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) resistor (c) switch (d) battery
31. 31.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) a straight line (c) a circle with V inside (d) two equal parallel lines
32. 32.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) motor (c) junction (d) wire
33. 33.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a small empty box (c) a circle with an X in it (d) a plain rectangle
34. 34.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) a small empty box (d) a circle with an X in it
35. 35.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
36. 36.True or false: a straight line is the symbol for a bulb. (a) True (b) False
37. 37.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
38. 38.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
39. 39.True or false: a straight line is the symbol for a wire. (a) False (b) True
40. 40.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two or more cell symbols (c) a dot where wires meet (d) a circle with V inside

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