Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 132 · 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 dot where wires meet? (a) junction (b) cell (c) diode (d) voltmeter
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) wire (c) voltmeter (d) battery
3. 3.True or false: two equal parallel lines is the symbol for a battery. (a) True (b) False
4. 4.True or false: triangle against a bar is the symbol for a resistor. (a) False (b) True
5. 5.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
6. 6.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit
7. 7.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
8. 8.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) resistor (c) cell (d) capacitor
10. 10.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a long and a short line (c) many long-short pairs (d) a circle with a cross
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) ammeter (c) junction (d) bulb
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
13. 13.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a circle with M inside (c) a circle with an X in it (d) triangle against a bar
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) diode (c) ammeter (d) motor
15. 15.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a dot where wires meet (c) many long-short pairs (d) a circle with A inside
16. 16.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
17. 17.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
18. 18.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a circle with V inside (c) a circle with a cross (d) a straight line
19. 19.Which drawing is the symbol for a wire? (a) a long and a short line (b) a plain rectangle (c) two equal parallel lines (d) a straight line
20. 20.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) capacitor (b) switch (c) diode (d) LED
21. 21.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) bulb (c) LED (d) ammeter
23. 23.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
24. 24.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) triangle, bar and arrows (c) a circle with A inside (d) a straight line
25. 25.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
26. 26.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) triangle against a bar (c) a circle with V inside (d) two equal parallel lines
27. 27.Which drawing is the symbol for a diode? (a) a circle with A inside (b) one tall, one short bar (c) two equal parallel lines (d) triangle against a bar
28. 28.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a long and a short line (c) two or more cell symbols (d) many long-short pairs
29. 29.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) many long-short pairs (c) a plain rectangle (d) a circle with a cross
30. 30.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) capacitor (c) diode (d) junction
31. 31.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
32. 32.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) LED (c) battery (d) bulb
34. 34.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
35. 35.True or false: two equal parallel lines is the symbol for an LED. (a) False (b) True
36. 36.True or false: a straight line is the symbol for a cell. (a) True (b) False
37. 37.Which drawing is the symbol for a switch? (a) a plain rectangle (b) two or more cell symbols (c) a line lifted at a gap (d) a long and a short line
38. 38.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
39. 39.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) voltmeter (c) switch (d) battery

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