Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 147 · 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 an ammeter? (a) a circle with A inside (b) one tall, one short bar (c) a long and a short line (d) two equal parallel lines
2. 2.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a circle with an X in it (c) a line lifted at a gap (d) two equal parallel lines
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) voltmeter (c) bulb (d) resistor
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
6. 6.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a long and a short line (c) a line lifted at a gap (d) a small empty box
7. 7.Which drawing is the symbol for a wire? (a) many long-short pairs (b) two equal parallel lines (c) a straight line (d) a line lifted at a gap
8. 8.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) junction (c) resistor (d) cell
9. 9.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
10. 10.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) one tall, one short bar (c) a circle with A inside (d) many long-short pairs
11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) voltmeter (c) capacitor (d) bulb
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) junction (c) diode (d) capacitor
13. 13.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) battery (c) switch (d) voltmeter
15. 15.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) junction (c) resistor (d) capacitor
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) LED (c) motor (d) cell
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) ammeter (c) cell (d) motor
18. 18.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
19. 19.Which drawing is the symbol for a battery? (a) a circle with a cross (b) a straight line (c) triangle against a bar (d) many long-short pairs
20. 20.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
21. 21.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a circle with a cross (c) a long and a short line (d) two equal parallel lines
22. 22.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) cell (c) wire (d) capacitor
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) junction (c) diode (d) wire
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) bulb (c) wire (d) junction
25. 25.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
26. 26.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
27. 27.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) a circle with a cross (c) a small empty box (d) a circle with V inside
28. 28.True or false: triangle, bar and arrows is the symbol for a battery. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) wire (c) battery (d) resistor
30. 30.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) resistor (c) cell (d) switch
32. 32.True or false: one tall, one short bar is the symbol for a resistor. (a) False (b) True
33. 33.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
34. 34.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
35. 35.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a dot where wires meet (c) a circle with V inside (d) one tall, one short bar
36. 36.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) a long and a short line (d) a line lifted at a gap
37. 37.True or false: a circle with a cross is the symbol for a resistor. (a) True (b) False
38. 38.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) cell (c) ammeter (d) switch
40. 40.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) False (b) True

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