Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 683 · 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) a long and a short line (b) a circle with an X in it (c) a dot where wires meet (d) a line lifted at a gap
2. 2.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
3. 3.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) junction (c) switch (d) motor
5. 5.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
6. 6.Which drawing is the symbol for a resistor? (a) a straight line (b) one tall, one short bar (c) a circle with an X in it (d) a small empty box
7. 7.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
8. 8.Which drawing is the symbol for an LED? (a) many long-short pairs (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with an X in it
9. 9.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) switch (c) cell (d) resistor
11. 11.Which drawing is the symbol for a battery? (a) a long and a short line (b) two equal parallel lines (c) a circle with V inside (d) two or more cell symbols
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) battery (c) cell (d) switch
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
14. 14.Which drawing is the symbol for a junction? (a) triangle against a bar (b) a dot where wires meet (c) a circle with an X in it (d) one tall, one short bar
15. 15.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a straight line (c) two or more cell symbols (d) a line lifted at a gap
16. 16.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
17. 17.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with A inside (c) a circle with a cross (d) triangle, bar and arrows
18. 18.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) junction (c) resistor (d) wire
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) junction (c) capacitor (d) switch
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) switch (b) motor (c) battery (d) bulb
21. 21.True or false: a circle with A inside is the symbol for a wire. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) battery (c) resistor (d) ammeter
23. 23.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) switch (c) cell (d) resistor
24. 24.Which drawing is the symbol for a battery? (a) a circle with M inside (b) a circle with an X in it (c) many long-short pairs (d) a line lifted at a gap
25. 25.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a long and a short line (c) a dot where wires meet (d) a line lifted at a gap
26. 26.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle, bar and arrows (c) a plain rectangle (d) many long-short pairs
27. 27.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
28. 28.True or false: a small empty box is the symbol for a capacitor. (a) True (b) False
29. 29.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) two equal parallel lines (c) triangle against a bar (d) a circle with A inside
30. 30.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) many long-short pairs (d) triangle, bar and arrows
31. 31.True or false: a circle with an X in it is the symbol for a motor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) ammeter (c) cell (d) motor
33. 33.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
34. 34.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) straight lines (d) wavy lines
35. 35.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
36. 36.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
37. 37.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) battery (c) resistor (d) wire
39. 39.True or false: a circle with V inside is the symbol for a bulb. (a) True (b) False
40. 40.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False

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