Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 225 · 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 voltmeter? (a) a circle with A inside (b) two equal parallel lines (c) a circle with V inside (d) one tall, one short bar
2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) capacitor (c) resistor (d) voltmeter
3. 3.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a straight line (c) a circle with a cross (d) a small empty box
4. 4.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) switch (b) LED (c) motor (d) junction
6. 6.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) wire (c) voltmeter (d) battery
7. 7.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) bulb (c) capacitor (d) junction
9. 9.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
10. 10.✏️ 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
11. 11.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with A inside (d) a circle with M inside
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
14. 14.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a circle with A inside (c) a circle with a cross (d) a line lifted at a gap
15. 15.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
16. 16.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a long and a short line (c) one tall, one short bar (d) two equal parallel lines
17. 17.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
18. 18.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) switch (c) capacitor (d) junction
20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) voltmeter (c) diode (d) junction
21. 21.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) battery (c) junction (d) capacitor
22. 22.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a circle with M inside (c) one tall, one short bar (d) triangle, bar and arrows
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) ammeter (c) LED (d) junction
24. 24.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) battery (c) switch (d) resistor
25. 25.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
26. 26.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a dot where wires meet (c) a small empty box (d) a circle with V inside
27. 27.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a plain rectangle (c) two equal parallel lines (d) a circle with M inside
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) motor (c) capacitor (d) voltmeter
29. 29.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
30. 30.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) capacitor (b) cell (c) motor (d) bulb
32. 32.True or false: a circle with M inside is the symbol for a resistor. (a) False (b) True
33. 33.Which drawing is the symbol for a cell? (a) a long and a short line (b) a plain rectangle (c) a circle with V inside (d) a dot where wires meet
34. 34.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) capacitor (c) resistor (d) cell
35. 35.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
36. 36.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) a straight line (d) a line lifted at a gap
37. 37.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) a circle with M inside (d) one tall, one short bar
38. 38.True or false: a circle with A inside is the symbol for a bulb. (a) True (b) False
39. 39.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
40. 40.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a plain rectangle (c) a circle with an X in it (d) a line lifted at a gap

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