Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 290 · 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) ammeter (b) capacitor (c) motor (d) junction
2. 2.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
3. 3.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a circle with an X in it (c) a dot where wires meet (d) a straight line
4. 4.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
5. 5.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
7. 7.Which drawing is the symbol for an LED? (a) many long-short pairs (b) a small empty box (c) triangle, bar and arrows (d) a plain rectangle
8. 8.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a line lifted at a gap (c) a circle with a cross (d) triangle against a bar
9. 9.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a dot where wires meet (c) a plain rectangle (d) a circle with an X in it
10. 10.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) junction (c) wire (d) diode
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) diode (c) resistor (d) switch
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) battery (d) diode
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) ammeter (c) battery (d) motor
14. 14.Which drawing is the symbol for a switch? (a) a circle with M inside (b) two equal parallel lines (c) triangle against a bar (d) a line lifted at a gap
15. 15.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
16. 16.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with an X in it
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) switch (c) cell (d) LED
18. 18.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) a dot where wires meet (c) two equal parallel lines (d) a circle with an X in it
19. 19.True or false: triangle, bar and arrows is the symbol for a capacitor. (a) True (b) False
20. 20.True or false: a straight line is the symbol for a wire. (a) True (b) False
21. 21.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) resistor (b) bulb (c) motor (d) diode
23. 23.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) diode (c) motor (d) battery
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) bulb (c) resistor (d) voltmeter
26. 26.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) wire (d) switch
27. 27.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
28. 28.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a circle with a cross (c) a circle with M inside (d) a circle with A inside
29. 29.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) to make it colourful (d) quick and clear for all
30. 30.True or false: a dot where wires meet is the symbol for a bulb. (a) False (b) True
31. 31.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
32. 32.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a dot where wires meet (c) a circle with an X in it (d) a small empty box
33. 33.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
34. 34.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) battery (c) resistor (d) motor
36. 36.True or false: a circle with V inside is the symbol for an LED. (a) True (b) False
37. 37.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a straight line (c) a small empty box (d) a circle with M inside
38. 38.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) LED (c) diode (d) bulb
39. 39.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) bulb (c) capacitor (d) diode

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