Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 895 · 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 bulb? (a) a long and a short line (b) a circle with an X in it (c) a line lifted at a gap (d) two or more cell symbols
2. 2.Which drawing is the symbol for a battery? (a) a small empty box (b) many long-short pairs (c) a line lifted at a gap (d) one tall, one short bar
3. 3.True or false: many long-short pairs is the symbol for a cell. (a) False (b) True
4. 4.Which drawing is the symbol for a switch? (a) many long-short pairs (b) two or more cell symbols (c) a line lifted at a gap (d) triangle against a bar
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
6. 6.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a small empty box (c) many long-short pairs (d) two or more cell symbols
7. 7.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
8. 8.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) dotted circles (d) little stars
10. 10.✏️ 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
11. 11.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) voltmeter (c) battery (d) switch
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) resistor (c) cell (d) voltmeter
13. 13.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
14. 14.Which drawing is the symbol for a wire? (a) a small empty box (b) a circle with M inside (c) a long and a short line (d) a straight line
15. 15.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) diode (c) motor (d) switch
16. 16.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) bulb (c) battery (d) junction
17. 17.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) triangle, bar and arrows (c) a circle with A inside (d) many long-short pairs
18. 18.True or false: a line lifted at a gap is the symbol for a diode. (a) True (b) False
19. 19.True or false: many long-short pairs is the symbol for a capacitor. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) capacitor (c) ammeter (d) battery
21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) resistor (c) cell (d) junction
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) cell (c) wire (d) resistor
23. 23.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) bulb (c) LED (d) capacitor
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) motor (c) resistor (d) switch
25. 25.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
26. 26.True or false: triangle against a bar is the symbol for an LED. (a) False (b) True
27. 27.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
28. 28.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
29. 29.True or false: a circle with V inside is the symbol for a cell. (a) True (b) False
30. 30.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a straight line (c) a circle with M inside (d) triangle against a bar
31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) switch (b) ammeter (c) resistor (d) capacitor
32. 32.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
33. 33.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
34. 34.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a circle with A inside (c) a plain rectangle (d) a dot where wires meet
35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) capacitor (c) resistor (d) diode
36. 36.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a line lifted at a gap (c) a circle with a cross (d) one tall, one short bar
37. 37.True or false: a dot where wires meet is the symbol for a resistor. (a) False (b) True
38. 38.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a long and a short line (c) a line lifted at a gap (d) a circle with an X in it
39. 39.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) many long-short pairs (c) a dot where wires meet (d) triangle against a bar
40. 40.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True

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