Electronics Worksheet: Circuit Symbols

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

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