Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 367 · 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) junction (b) motor (c) cell (d) switch
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
3. 3.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) triangle, bar and arrows (c) a circle with V inside (d) a circle with A inside
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) cell (c) ammeter (d) motor
5. 5.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with a cross (c) a plain rectangle (d) a circle with M inside
6. 6.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
7. 7.Which drawing is the symbol for a diode? (a) a small empty box (b) two or more cell symbols (c) a plain rectangle (d) triangle against a bar
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) wire (d) diode
9. 9.True or false: one tall, one short bar is the symbol for a switch. (a) True (b) False
10. 10.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) voltmeter (c) cell (d) resistor
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) bulb (c) wire (d) motor
13. 13.True or false: a small empty box is the symbol for a voltmeter. (a) True (b) False
14. 14.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) triangle against a bar (d) a circle with a cross
15. 15.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) voltmeter (c) wire (d) ammeter
16. 16.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) ammeter (c) LED (d) motor
18. 18.True or false: a straight line is the symbol for a wire. (a) False (b) True
19. 19.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
20. 20.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
21. 21.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
22. 22.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a circle with V inside (c) a circle with A inside (d) triangle against a bar
23. 23.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) bulb (c) battery (d) ammeter
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) resistor (c) switch (d) cell
25. 25.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
26. 26.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle, bar and arrows (c) two or more cell symbols (d) a dot where wires meet
27. 27.True or false: a dot where wires meet is the symbol for a motor. (a) True (b) False
28. 28.True or false: a straight line is the symbol for a junction. (a) False (b) True
29. 29.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) switch (c) bulb (d) resistor
31. 31.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) voltmeter (d) bulb
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) ammeter (c) bulb (d) cell
33. 33.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
34. 34.True or false: a circle with a cross is the symbol for a voltmeter. (a) True (b) False
35. 35.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a circle with M inside (c) a small empty box (d) a dot where wires meet
36. 36.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
37. 37.Which drawing is the symbol for an LED? (a) a small empty box (b) many long-short pairs (c) two equal parallel lines (d) triangle, bar and arrows
38. 38.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a plain rectangle (c) a circle with M inside (d) one tall, one short bar
39. 39.True or false: two or more cell symbols is the symbol for a wire. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) battery (c) wire (d) diode

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