Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 644 · 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 a motor? (a) a circle with M inside (b) two equal parallel lines (c) two or more cell symbols (d) a long and a short line
2. 2.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) a straight line (d) a plain rectangle
3. 3.Which drawing is the symbol for a resistor? (a) a straight line (b) one tall, one short bar (c) a small empty box (d) triangle against a bar
4. 4.True or false: a line lifted at a gap is the symbol for a bulb. (a) False (b) True
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) capacitor (c) bulb (d) wire
7. 7.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two or more cell symbols (c) triangle against a bar (d) a circle with A inside
8. 8.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
9. 9.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) voltmeter (c) switch (d) capacitor
11. 11.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) ammeter (c) resistor (d) cell
13. 13.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a circle with an X in it (c) two equal parallel lines (d) many long-short pairs
14. 14.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
15. 15.True or false: triangle against a bar is the symbol for a motor. (a) True (b) False
16. 16.True or false: a circle with V inside is the symbol for a junction. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) two or more cell symbols (c) one tall, one short bar (d) a circle with A inside
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
19. 19.True or false: a small empty box is the symbol for a voltmeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) cell (c) junction (d) diode
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) wire (c) ammeter (d) motor
22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) voltmeter (c) wire (d) junction
23. 23.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a dot where wires meet (d) a circle with V inside
24. 24.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a straight line (c) triangle, bar and arrows (d) a circle with A inside
25. 25.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) capacitor (c) resistor (d) voltmeter
27. 27.Which drawing is the symbol for a wire? (a) a straight line (b) a circle with an X in it (c) a small empty box (d) one tall, one short bar
28. 28.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) capacitor (c) voltmeter (d) cell
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) resistor (c) switch (d) battery
31. 31.Which drawing is the symbol for a junction? (a) a long and a short line (b) a plain rectangle (c) a circle with an X in it (d) a dot where wires meet
32. 32.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
33. 33.✏️ 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
34. 34.True or false: one tall, one short bar is the symbol for a bulb. (a) False (b) True
35. 35.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
36. 36.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) capacitor (d) switch
38. 38.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) voltmeter (c) battery (d) LED
39. 39.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a long and a short line (c) many long-short pairs (d) a plain rectangle
40. 40.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False

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