Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 604 · 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 cell? (a) many long-short pairs (b) a circle with A inside (c) a plain rectangle (d) a long and a short line
2. 2.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) ammeter (c) LED (d) diode
3. 3.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) straight lines (d) dotted circles
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
6. 6.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
7. 7.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
8. 8.True or false: a circle with an X in it is the symbol for a resistor. (a) False (b) True
9. 9.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) triangle, bar and arrows (c) a long and a short line (d) a dot where wires meet
10. 10.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) bulb (c) motor (d) diode
11. 11.True or false: a dot where wires meet is the symbol for a motor. (a) True (b) False
12. 12.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a plain rectangle (c) a circle with a cross (d) two equal parallel lines
13. 13.True or false: a plain rectangle is the symbol for a battery. (a) False (b) True
14. 14.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
15. 15.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
16. 16.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with M inside (d) a straight line
17. 17.Which drawing is the symbol for a battery? (a) a straight line (b) a circle with an X in it (c) many long-short pairs (d) a small empty box
18. 18.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) triangle, bar and arrows (c) many long-short pairs (d) a circle with a cross
19. 19.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
20. 20.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
21. 21.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a circle with V inside (c) a circle with a cross (d) a line lifted at a gap
22. 22.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a plain rectangle (c) two or more cell symbols (d) triangle against a bar
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) resistor (c) battery (d) wire
24. 24.True or false: a circle with a cross is the symbol for a cell. (a) True (b) False
25. 25.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) switch (c) bulb (d) ammeter
27. 27.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) many long-short pairs (c) two or more cell symbols (d) a dot where wires meet
28. 28.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) diode (c) battery (d) switch
29. 29.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) a small empty box (c) triangle against a bar (d) a straight line
30. 30.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) capacitor (c) battery (d) cell
31. 31.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) LED (c) capacitor (d) cell
33. 33.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
34. 34.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
35. 35.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) one tall, one short bar (c) a circle with an X in it (d) triangle against a bar
36. 36.True or false: two or more cell symbols is the symbol for an LED. (a) False (b) True
37. 37.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
38. 38.Which drawing is the symbol for a cell? (a) a small empty box (b) two equal parallel lines (c) one tall, one short bar (d) triangle against a bar
39. 39.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) resistor (c) junction (d) diode

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