Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 635 · 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 V inside? (a) battery (b) wire (c) ammeter (d) voltmeter
2. 2.Which drawing is the symbol for a resistor? (a) a small empty box (b) a circle with A inside (c) a long and a short line (d) a straight line
3. 3.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a dot where wires meet (c) a long and a short line (d) a plain rectangle
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) voltmeter (c) cell (d) bulb
5. 5.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) a straight line (c) two or more cell symbols (d) triangle against a bar
6. 6.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) capacitor (c) LED (d) cell
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) ammeter (c) resistor (d) battery
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) bulb (d) motor
9. 9.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
10. 10.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with an X in it (c) a circle with A inside (d) a circle with a cross
11. 11.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a circle with V inside (c) one tall, one short bar (d) a circle with a cross
12. 12.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) resistor (c) LED (d) cell
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
14. 14.Which drawing is the symbol for a junction? (a) a straight line (b) a circle with A inside (c) a small empty box (d) a dot where wires meet
15. 15.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a straight line (c) many long-short pairs (d) a long and a short line
16. 16.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) a circle with a cross (c) two equal parallel lines (d) a plain rectangle
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) bulb (c) ammeter (d) diode
18. 18.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
19. 19.Which drawing is the symbol for a voltmeter? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with V inside (d) a small empty box
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) diode (c) voltmeter (d) junction
22. 22.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
23. 23.Which drawing is the symbol for a motor? (a) a straight line (b) one tall, one short bar (c) a circle with V inside (d) a circle with M inside
24. 24.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
25. 25.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a circle with an X in it (c) many long-short pairs (d) a straight line
26. 26.True or false: a straight line is the symbol for a wire. (a) True (b) False
27. 27.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
28. 28.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
29. 29.True or false: a small empty box is the symbol for a battery. (a) False (b) True
30. 30.True or false: a line lifted at a gap is the symbol for a motor. (a) True (b) False
31. 31.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
32. 32.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) capacitor (c) ammeter (d) motor
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) cell (c) battery (d) LED
35. 35.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
36. 36.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
37. 37.Which drawing is the symbol for an LED? (a) a dot where wires meet (b) two or more cell symbols (c) a small empty box (d) triangle, bar and arrows
38. 38.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) resistor (c) diode (d) switch
39. 39.True or false: one tall, one short bar is the symbol for an ammeter. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a straight line? (a) capacitor (b) bulb (c) wire (d) ammeter

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