Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 759 · 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.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with V inside
2. 2.Which drawing is the symbol for a cell? (a) triangle against a bar (b) a circle with a cross (c) a long and a short line (d) triangle, bar and arrows
3. 3.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
4. 4.True or false: two equal parallel lines is the symbol for a voltmeter. (a) True (b) False
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
6. 6.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with M inside (c) two equal parallel lines (d) many long-short pairs
7. 7.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
8. 8.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
9. 9.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) diode (c) junction (d) motor
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) bulb (d) ammeter
11. 11.Which drawing is the symbol for a resistor? (a) a small empty box (b) a straight line (c) triangle against a bar (d) a circle with V inside
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) capacitor (c) bulb (d) switch
13. 13.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a small empty box (c) triangle, bar and arrows (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) junction (c) bulb (d) ammeter
15. 15.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
16. 16.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) switch (c) resistor (d) voltmeter
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
19. 19.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
20. 20.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a circle with A inside (c) a dot where wires meet (d) a circle with V inside
21. 21.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a circle with a cross (c) a dot where wires meet (d) triangle against a bar
22. 22.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
23. 23.Which drawing is the symbol for a wire? (a) a circle with V inside (b) a small empty box (c) a circle with an X in it (d) a straight line
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) ammeter (c) switch (d) cell
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) bulb (c) battery (d) cell
26. 26.Which drawing is the symbol for a motor? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a circle with M inside (d) many long-short pairs
27. 27.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
28. 28.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a small empty box (c) a circle with M inside (d) a line lifted at a gap
29. 29.True or false: many long-short pairs is the symbol for a diode. (a) False (b) True
30. 30.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
31. 31.True or false: a circle with a cross is the symbol for a cell. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) voltmeter (c) cell (d) LED
33. 33.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) cell (c) switch (d) battery
34. 34.True or false: a plain rectangle is the symbol for a diode. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) voltmeter (b) capacitor (c) junction (d) wire
36. 36.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) battery (c) wire (d) resistor
38. 38.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a straight line (c) a circle with M inside (d) triangle, bar and arrows
39. 39.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) resistor (d) capacitor
40. 40.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True

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