Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 364 · 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 circle with a cross is the symbol for a bulb. (a) True (b) False
2. 2.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with an X in it (c) a line lifted at a gap (d) triangle against a bar
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) switch (c) voltmeter (d) battery
4. 4.True or false: a circle with V inside is the symbol for a diode. (a) False (b) True
5. 5.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
6. 6.True or false: a circle with an X in it is the symbol for an ammeter. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) cell (c) voltmeter (d) battery
8. 8.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) capacitor (c) cell (d) diode
10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
11. 11.Which drawing is the symbol for a diode? (a) many long-short pairs (b) triangle against a bar (c) a circle with V inside (d) a straight line
12. 12.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
13. 13.Which drawing is the symbol for a resistor? (a) a small empty box (b) two or more cell symbols (c) a line lifted at a gap (d) a dot where wires meet
14. 14.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) a circle with A inside (d) two equal parallel lines
15. 15.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) capacitor (c) LED (d) junction
16. 16.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
17. 17.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) wire (d) capacitor
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) ammeter (c) capacitor (d) motor
20. 20.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
21. 21.Which drawing is the symbol for a motor? (a) a circle with a cross (b) a circle with M inside (c) a dot where wires meet (d) a circle with V inside
22. 22.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) resistor (c) diode (d) cell
23. 23.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
24. 24.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a plain rectangle (c) a straight line (d) a long and a short line
25. 25.True or false: a straight line is the symbol for a bulb. (a) False (b) True
26. 26.True or false: a line lifted at a gap is the symbol for a wire. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) cell (d) voltmeter
28. 28.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) resistor (c) voltmeter (d) battery
29. 29.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
30. 30.True or false: triangle against a bar is the symbol for a motor. (a) True (b) False
31. 31.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with M inside
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) wire (c) LED (d) bulb
33. 33.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) battery (d) diode
35. 35.Which drawing is the symbol for an LED? (a) triangle against a bar (b) two or more cell symbols (c) triangle, bar and arrows (d) a plain rectangle
36. 36.True or false: a circle with V inside is the symbol for a motor. (a) True (b) False
37. 37.True or false: a line lifted at a gap is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) diode (c) switch (d) cell
39. 39.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) two or more cell symbols (d) many long-short pairs
40. 40.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False

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