Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 797 · 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, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
2. 2.Which drawing is the symbol for a switch? (a) a small empty box (b) a circle with an X in it (c) a line lifted at a gap (d) one tall, one short bar
3. 3.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
4. 4.True or false: a dot where wires meet is the symbol for an ammeter. (a) False (b) True
5. 5.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
6. 6.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) one tall, one short bar (c) a straight line (d) many long-short pairs
7. 7.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
8. 8.True or false: a circle with V inside is the symbol for a resistor. (a) False (b) True
9. 9.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
10. 10.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) voltmeter (c) switch (d) LED
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) neither line (d) both lines
12. 12.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) a circle with a cross (c) a circle with A inside (d) triangle, bar and arrows
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) capacitor (c) cell (d) bulb
14. 14.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a plain rectangle (c) a small empty box (d) two equal parallel lines
15. 15.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
16. 16.Which drawing is the symbol for a cell? (a) a circle with a cross (b) one tall, one short bar (c) many long-short pairs (d) a straight line
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) resistor (c) junction (d) battery
18. 18.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) resistor (c) junction (d) ammeter
19. 19.Which drawing is the symbol for a diode? (a) many long-short pairs (b) triangle against a bar (c) a circle with A inside (d) one tall, one short bar
20. 20.Which drawing is the symbol for a cell? (a) a plain rectangle (b) two or more cell symbols (c) a long and a short line (d) a line lifted at a gap
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) wire (c) bulb (d) cell
22. 22.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) capacitor (c) cell (d) diode
23. 23.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
24. 24.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
25. 25.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a circle with an X in it (c) many long-short pairs (d) a plain rectangle
26. 26.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) capacitor (c) bulb (d) switch
28. 28.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a circle with an X in it (c) two or more cell symbols (d) triangle, bar and arrows
29. 29.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
30. 30.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) two equal parallel lines (c) two or more cell symbols (d) triangle against a bar
31. 31.True or false: a line lifted at a gap is the symbol for a motor. (a) True (b) False
32. 32.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
33. 33.True or false: many long-short pairs is the symbol for a switch. (a) False (b) True
34. 34.True or false: a circle with M inside is the symbol for a voltmeter. (a) False (b) True
35. 35.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a plain rectangle (c) a circle with M inside (d) a straight line
36. 36.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) resistor (c) diode (d) cell
37. 37.True or false: a circle with M inside is the symbol for a capacitor. (a) True (b) False
38. 38.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a circle with M inside (c) a dot where wires meet (d) one tall, one short bar
39. 39.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) battery (c) wire (d) switch
40. 40.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True

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