Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 283 · 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.True or false: a long and a short line is the symbol for an ammeter. (a) False (b) True
2. 2.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a circle with M inside (c) a small empty box (d) two or more cell symbols
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
4. 4.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) two equal parallel lines (c) many long-short pairs (d) a long and a short line
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
6. 6.True or false: a circle with A inside is the symbol for an LED. (a) True (b) False
7. 7.Which drawing is the symbol for a motor? (a) triangle against a bar (b) a circle with an X in it (c) a circle with M inside (d) many long-short pairs
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) capacitor (c) battery (d) cell
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
10. 10.True or false: a straight line is the symbol for a wire. (a) False (b) True
11. 11.True or false: a small empty box is the symbol for a battery. (a) True (b) False
12. 12.True or false: a circle with A inside is the symbol for a capacitor. (a) False (b) True
13. 13.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a dot where wires meet (c) a circle with A inside (d) a circle with M inside
14. 14.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two or more cell symbols (c) a small empty box (d) a circle with an X in it
15. 15.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a line lifted at a gap (c) a dot where wires meet (d) a straight line
16. 16.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a long and a short line (c) a circle with M inside (d) two or more cell symbols
18. 18.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
19. 19.True or false: a plain rectangle is the symbol for a motor. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) bulb (c) battery (d) voltmeter
21. 21.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) bulb (c) resistor (d) battery
22. 22.True or false: a plain rectangle is the symbol for a capacitor. (a) True (b) False
23. 23.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) resistor (c) switch (d) capacitor
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) ammeter (c) bulb (d) wire
26. 26.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) cell (c) LED (d) resistor
27. 27.True or false: triangle, bar and arrows is the symbol for a junction. (a) True (b) False
28. 28.Which drawing is the symbol for a switch? (a) triangle against a bar (b) a plain rectangle (c) a line lifted at a gap (d) a circle with V inside
29. 29.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) two equal parallel lines (c) a line lifted at a gap (d) a small empty box
30. 30.Which drawing is the symbol for a capacitor? (a) a small empty box (b) two equal parallel lines (c) many long-short pairs (d) triangle, bar and arrows
31. 31.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) resistor (c) cell (d) ammeter
32. 32.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a circle with A inside (c) one tall, one short bar (d) many long-short pairs
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) cell (c) resistor (d) ammeter
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) switch (c) voltmeter (d) junction
35. 35.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) triangle against a bar (c) a plain rectangle (d) a dot where wires meet
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) LED (c) ammeter (d) wire
37. 37.True or false: many long-short pairs is the symbol for a switch. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) cell (c) capacitor (d) voltmeter
39. 39.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
40. 40.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False

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