Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 667 · 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 many long-short pairs? (a) motor (b) battery (c) voltmeter (d) junction
2. 2.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) switch (c) bulb (d) ammeter
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
4. 4.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) to make it colourful (d) symbols are heavier
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) capacitor (c) cell (d) ammeter
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) resistor (c) voltmeter (d) capacitor
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) voltmeter (c) ammeter (d) bulb
9. 9.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) junction (c) bulb (d) switch
10. 10.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
11. 11.Which drawing is the symbol for a battery? (a) a long and a short line (b) triangle, bar and arrows (c) two equal parallel lines (d) two or more cell symbols
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) motor (c) battery (d) switch
13. 13.Which drawing is the symbol for a switch? (a) a small empty box (b) a circle with a cross (c) a line lifted at a gap (d) two equal parallel lines
14. 14.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
15. 15.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
16. 16.Which drawing is the symbol for a motor? (a) triangle, bar and arrows (b) a circle with M inside (c) two or more cell symbols (d) a circle with a cross
17. 17.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
18. 18.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
19. 19.Which drawing is the symbol for a resistor? (a) a straight line (b) triangle against a bar (c) a small empty box (d) triangle, bar and arrows
20. 20.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
21. 21.Which drawing is the symbol for a diode? (a) a long and a short line (b) a plain rectangle (c) a line lifted at a gap (d) triangle against a bar
22. 22.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a circle with A inside (c) a circle with a cross (d) two or more cell symbols
23. 23.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) cell (c) ammeter (d) LED
25. 25.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a dot where wires meet (c) a circle with A inside (d) a straight line
26. 26.True or false: a circle with A inside is the symbol for a motor. (a) True (b) False
27. 27.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a dot where wires meet (c) a straight line (d) a circle with V inside
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) battery (c) ammeter (d) junction
29. 29.Which drawing is the symbol for a cell? (a) a straight line (b) one tall, one short bar (c) two or more cell symbols (d) a circle with an X in it
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) switch (c) bulb (d) cell
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) junction (c) ammeter (d) switch
32. 32.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
33. 33.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
34. 34.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a circle with V inside (c) a line lifted at a gap (d) a long and a short line
35. 35.Which drawing is the symbol for a battery? (a) a straight line (b) many long-short pairs (c) two equal parallel lines (d) a circle with V inside
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) capacitor (c) motor (d) cell
37. 37.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a circle with an X in it (c) a small empty box (d) a circle with M inside
38. 38.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
39. 39.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a circle with a cross (c) a plain rectangle (d) many long-short pairs
40. 40.True or false: a dot where wires meet is the symbol for an ammeter. (a) False (b) True

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