Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 195 · 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 triangle against a bar? (a) capacitor (b) motor (c) diode (d) LED
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) battery (c) voltmeter (d) cell
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) bulb (c) ammeter (d) motor
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) ammeter (c) battery (d) cell
5. 5.True or false: triangle against a bar is the symbol for a wire. (a) False (b) True
6. 6.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) voltmeter (c) LED (d) resistor
8. 8.Which drawing is the symbol for a cell? (a) a long and a short line (b) triangle against a bar (c) a small empty box (d) a circle with V inside
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
10. 10.True or false: triangle against a bar is the symbol for an ammeter. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) ammeter (c) cell (d) resistor
12. 12.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a small empty box (d) a plain rectangle
13. 13.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with V inside (c) triangle against a bar (d) a line lifted at a gap
14. 14.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
16. 16.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) cell (c) capacitor (d) wire
18. 18.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) one tall, one short bar (c) two equal parallel lines (d) a circle with an X in it
19. 19.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) switch (c) battery (d) voltmeter
21. 21.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) many long-short pairs (c) triangle against a bar (d) a circle with A inside
22. 22.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
23. 23.Which drawing is the symbol for a diode? (a) one tall, one short bar (b) a small empty box (c) two or more cell symbols (d) triangle against a bar
24. 24.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
25. 25.Which drawing is the symbol for an LED? (a) a long and a short line (b) triangle, bar and arrows (c) a circle with a cross (d) a small empty box
26. 26.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) triangle, bar and arrows (c) a circle with V inside (d) a circle with A inside
27. 27.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
28. 28.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
29. 29.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
30. 30.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
31. 31.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) switch (c) bulb (d) battery
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) capacitor (c) bulb (d) switch
33. 33.True or false: a circle with an X in it is the symbol for an ammeter. (a) False (b) True
34. 34.Which drawing is the symbol for a wire? (a) a straight line (b) a long and a short line (c) a line lifted at a gap (d) two equal parallel lines
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) junction (d) switch
36. 36.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) two or more cell symbols (d) a circle with M inside
37. 37.Which drawing is the symbol for a cell? (a) many long-short pairs (b) one tall, one short bar (c) a circle with an X in it (d) a circle with V inside
38. 38.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
39. 39.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
40. 40.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with a cross (c) triangle against a bar (d) two or more cell symbols

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