Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 657 · 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 many long-short pairs? (a) switch (b) voltmeter (c) resistor (d) battery
2. 2.True or false: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) motor (c) junction (d) ammeter
4. 4.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
5. 5.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
6. 6.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
7. 7.True or false: triangle, bar and arrows is the symbol for a bulb. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) cell (d) bulb
9. 9.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with A inside (c) a long and a short line (d) triangle against a bar
10. 10.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) two equal parallel lines (c) two or more cell symbols (d) a circle with an X in it
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) motor (c) voltmeter (d) LED
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
13. 13.Which drawing is the symbol for a diode? (a) a small empty box (b) triangle against a bar (c) a long and a short line (d) a circle with V inside
14. 14.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) two or more cell symbols (c) a circle with A inside (d) a long and a short line
15. 15.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a straight line (c) two equal parallel lines (d) one tall, one short bar
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) battery (c) ammeter (d) switch
18. 18.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
19. 19.True or false: a small empty box is the symbol for a cell. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) diode (b) resistor (c) switch (d) voltmeter
21. 21.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a straight line (c) many long-short pairs (d) a circle with an X in it
22. 22.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) battery (c) bulb (d) capacitor
24. 24.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) triangle against a bar (c) a small empty box (d) a dot where wires meet
25. 25.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
26. 26.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
27. 27.Which drawing is the symbol for a switch? (a) a long and a short line (b) two or more cell symbols (c) a dot where wires meet (d) a line lifted at a gap
28. 28.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with V inside (c) triangle against a bar (d) one tall, one short bar
29. 29.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
30. 30.True or false: a dot where wires meet is the symbol for an LED. (a) False (b) True
31. 31.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) capacitor (c) voltmeter (d) wire
34. 34.True or false: a circle with V inside is the symbol for an LED. (a) False (b) True
35. 35.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a dot where wires meet (c) many long-short pairs (d) one tall, one short bar
36. 36.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) motor (c) switch (d) capacitor
37. 37.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a circle with a cross (c) triangle, bar and arrows (d) many long-short pairs
38. 38.Which drawing is the symbol for an LED? (a) a small empty box (b) a straight line (c) triangle, bar and arrows (d) a plain rectangle
39. 39.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) battery (c) voltmeter (d) LED
40. 40.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) ammeter (c) switch (d) capacitor

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