Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 541 · 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 triangle against a bar? (a) battery (b) junction (c) wire (d) diode
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) voltmeter (c) battery (d) junction
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
4. 4.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to hide the circuit (d) to make it colourful
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
6. 6.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) two or more cell symbols (c) a small empty box (d) a circle with M inside
7. 7.True or false: a plain rectangle is the symbol for a cell. (a) False (b) True
8. 8.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a dot where wires meet (c) many long-short pairs (d) a circle with M inside
9. 9.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) two equal parallel lines (c) triangle, bar and arrows (d) a line lifted at a gap
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) bulb (c) wire (d) ammeter
11. 11.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with A inside (c) a dot where wires meet (d) a circle with an X in it
12. 12.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) motor (b) LED (c) switch (d) junction
13. 13.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two equal parallel lines (c) triangle, bar and arrows (d) two or more cell symbols
14. 14.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a circle with a cross (c) a long and a short line (d) two equal parallel lines
15. 15.Which drawing is the symbol for a wire? (a) a straight line (b) triangle against a bar (c) a line lifted at a gap (d) triangle, bar and arrows
16. 16.Which drawing is the symbol for an LED? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with A inside (d) two or more cell symbols
17. 17.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
18. 18.True or false: a line lifted at a gap is the symbol for a capacitor. (a) True (b) False
19. 19.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a circle with M inside (c) many long-short pairs (d) one tall, one short bar
20. 20.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
21. 21.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) one tall, one short bar (c) a long and a short line (d) a plain rectangle
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) resistor (c) junction (d) battery
23. 23.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) a circle with an X in it (d) a circle with a cross
24. 24.True or false: triangle against a bar is the symbol for a capacitor. (a) False (b) True
25. 25.True or false: a circle with an X in it is the symbol for a wire. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) motor (c) voltmeter (d) junction
27. 27.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
28. 28.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) two or more cell symbols (c) a straight line (d) a circle with V inside
29. 29.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) cell (d) battery
30. 30.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) battery (c) bulb (d) motor
32. 32.True or false: a circle with M inside is the symbol for a junction. (a) True (b) False
33. 33.Which drawing is the symbol for a cell? (a) a long and a short line (b) many long-short pairs (c) two equal parallel lines (d) a small empty box
34. 34.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) wire (c) bulb (d) battery
36. 36.True or false: a straight line is the symbol for a switch. (a) False (b) True
37. 37.True or false: a dot where wires meet is the symbol for a switch. (a) False (b) True
38. 38.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
39. 39.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
40. 40.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a long and a short line (c) a circle with M inside (d) a small empty box

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