Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 792 · 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 a circle with A inside? (a) switch (b) motor (c) ammeter (d) resistor
2. 2.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
3. 3.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
4. 4.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
6. 6.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) bulb (c) diode (d) cell
7. 7.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a circle with V inside (c) triangle, bar and arrows (d) a small empty box
8. 8.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) LED (c) wire (d) resistor
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) junction (c) diode (d) bulb
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) switch (c) resistor (d) diode
11. 11.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) many long-short pairs (c) a line lifted at a gap (d) two equal parallel lines
12. 12.Which drawing is the symbol for an ammeter? (a) a small empty box (b) two or more cell symbols (c) a circle with A inside (d) triangle, bar and arrows
13. 13.Which drawing is the symbol for a wire? (a) a straight line (b) a circle with A inside (c) a small empty box (d) two equal parallel lines
14. 14.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) battery (c) motor (d) ammeter
15. 15.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a straight line (c) a plain rectangle (d) two equal parallel lines
16. 16.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
17. 17.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a small empty box (c) a dot where wires meet (d) a circle with a cross
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) capacitor (b) LED (c) battery (d) cell
19. 19.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) both lines (d) the longer line
21. 21.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) voltmeter (c) bulb (d) battery
23. 23.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) switch (c) cell (d) battery
24. 24.True or false: triangle, bar and arrows is the symbol for a bulb. (a) False (b) True
25. 25.Which drawing is the symbol for a cell? (a) a long and a short line (b) two equal parallel lines (c) triangle against a bar (d) a circle with a cross
26. 26.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) cell (c) diode (d) bulb
28. 28.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) cell (b) capacitor (c) bulb (d) resistor
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) diode (c) battery (d) bulb
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) resistor (d) motor
32. 32.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a small empty box (c) a long and a short line (d) two or more cell symbols
33. 33.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
34. 34.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
35. 35.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
36. 36.True or false: a small empty box is the symbol for a cell. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) capacitor (c) cell (d) diode
38. 38.Which drawing is the symbol for a motor? (a) many long-short pairs (b) a long and a short line (c) a circle with an X in it (d) a circle with M inside
39. 39.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) ammeter (c) resistor (d) cell

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