Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 89 · 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.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
2. 2.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) both lines (d) the shorter line
4. 4.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) diode (c) resistor (d) battery
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) LED (c) ammeter (d) bulb
6. 6.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
7. 7.Which drawing is the symbol for a switch? (a) triangle against a bar (b) one tall, one short bar (c) a circle with an X in it (d) a line lifted at a gap
8. 8.True or false: a circle with an X in it is the symbol for a voltmeter. (a) False (b) True
9. 9.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
10. 10.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a line lifted at a gap (c) a long and a short line (d) many long-short pairs
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) ammeter (c) bulb (d) junction
12. 12.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
13. 13.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) resistor (c) junction (d) bulb
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) bulb (c) voltmeter (d) battery
15. 15.Which drawing is the symbol for a diode? (a) a circle with V inside (b) a circle with an X in it (c) one tall, one short bar (d) triangle against a bar
16. 16.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) triangle against a bar (c) a line lifted at a gap (d) two equal parallel lines
17. 17.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) triangle against a bar (c) triangle, bar and arrows (d) a circle with an X in it
18. 18.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) ammeter (c) LED (d) capacitor
20. 20.True or false: a circle with M inside is the symbol for a diode. (a) True (b) False
21. 21.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) triangle, bar and arrows (c) a small empty box (d) a circle with M inside
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) cell (c) bulb (d) battery
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) motor (c) cell (d) capacitor
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) switch (c) motor (d) battery
25. 25.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) ammeter (c) diode (d) cell
26. 26.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
27. 27.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
28. 28.True or false: a dot where wires meet is the symbol for a bulb. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) switch (d) battery
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
31. 31.True or false: a circle with V inside is the symbol for a battery. (a) False (b) True
32. 32.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a long and a short line (c) a straight line (d) a line lifted at a gap
33. 33.Which drawing is the symbol for a wire? (a) a plain rectangle (b) triangle against a bar (c) a straight line (d) a line lifted at a gap
34. 34.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
35. 35.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
36. 36.Which drawing is the symbol for an LED? (a) a circle with M inside (b) a circle with a cross (c) triangle, bar and arrows (d) one tall, one short bar
37. 37.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a dot where wires meet (c) a circle with an X in it (d) a circle with M inside
38. 38.Which drawing is the symbol for a junction? (a) a long and a short line (b) a dot where wires meet (c) a plain rectangle (d) a circle with A inside
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) capacitor (c) resistor (d) bulb
40. 40.True or false: a straight line is the symbol for a wire. (a) True (b) False

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