Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 496 · 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 a cross? (a) battery (b) diode (c) junction (d) bulb
2. 2.True or false: a straight line is the symbol for a bulb. (a) True (b) False
3. 3.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a circle with an X in it (c) a dot where wires meet (d) a small empty box
4. 4.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
5. 5.Which drawing is the symbol for a capacitor? (a) a straight line (b) a circle with A inside (c) many long-short pairs (d) two equal parallel lines
6. 6.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
7. 7.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with an X in it (c) a long and a short line (d) a dot where wires meet
8. 8.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
9. 9.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) triangle against a bar (c) one tall, one short bar (d) a circle with an X in it
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) switch (c) junction (d) voltmeter
11. 11.Which drawing is the symbol for a cell? (a) a circle with V inside (b) many long-short pairs (c) a dot where wires meet (d) a long and a short line
12. 12.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
13. 13.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
15. 15.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a small empty box (c) many long-short pairs (d) two or more cell symbols
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) wavy lines (d) dotted circles
17. 17.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
18. 18.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) cell (c) LED (d) switch
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) resistor (c) battery (d) bulb
20. 20.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) resistor (c) capacitor (d) wire
22. 22.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
23. 23.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
24. 24.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) a circle with V inside (c) a line lifted at a gap (d) triangle, bar and arrows
25. 25.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) diode (c) voltmeter (d) battery
26. 26.True or false: triangle, bar and arrows is the symbol for a junction. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with an X in it (c) a plain rectangle (d) two equal parallel lines
28. 28.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a straight line (c) a small empty box (d) triangle, bar and arrows
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) LED (d) cell
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) LED (c) resistor (d) battery
31. 31.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) voltmeter (c) junction (d) resistor
33. 33.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) motor (c) wire (d) resistor
35. 35.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a circle with a cross (c) a plain rectangle (d) a circle with V inside
36. 36.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
37. 37.Which drawing is the symbol for a voltmeter? (a) a circle with a cross (b) a straight line (c) a circle with V inside (d) one tall, one short bar
38. 38.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
39. 39.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
40. 40.Which drawing is the symbol for a wire? (a) a plain rectangle (b) one tall, one short bar (c) a straight line (d) a dot where wires meet

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