Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 304 · 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 resistor? (a) triangle against a bar (b) a long and a short line (c) a small empty box (d) two equal parallel lines
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
3. 3.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a line lifted at a gap (c) triangle against a bar (d) two equal parallel lines
4. 4.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
5. 5.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
6. 6.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a plain rectangle (c) many long-short pairs (d) a circle with a cross
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) cell (c) switch (d) motor
8. 8.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) one tall, one short bar (c) a circle with A inside (d) a dot where wires meet
9. 9.True or false: a small empty box is the symbol for a voltmeter. (a) True (b) False
10. 10.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with an X in it (c) a small empty box (d) a straight line
11. 11.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) straight lines (c) little stars (d) dotted circles
13. 13.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) voltmeter (c) diode (d) battery
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) junction (c) switch (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) switch (c) cell (d) capacitor
16. 16.Which drawing is the symbol for a bulb? (a) two equal parallel lines (b) a small empty box (c) a circle with a cross (d) one tall, one short bar
17. 17.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
18. 18.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False
19. 19.True or false: one tall, one short bar is the symbol for a voltmeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) wire (c) cell (d) ammeter
21. 21.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a long and a short line (c) a small empty box (d) a circle with an X in it
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) resistor (d) switch
23. 23.True or false: a circle with V inside is the symbol for a resistor. (a) False (b) True
24. 24.Which drawing is the symbol for a junction? (a) a circle with V inside (b) a straight line (c) a circle with an X in it (d) a dot where wires meet
25. 25.True or false: a straight line is the symbol for a wire. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) switch (c) wire (d) capacitor
27. 27.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) junction (c) bulb (d) battery
28. 28.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
29. 29.True or false: triangle, bar and arrows is the symbol for a cell. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) switch (c) LED (d) bulb
31. 31.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
32. 32.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with M inside (c) two or more cell symbols (d) triangle, bar and arrows
33. 33.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) voltmeter (c) capacitor (d) cell
34. 34.True or false: a straight line is the symbol for a switch. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) LED (c) junction (d) resistor
36. 36.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) cell (c) ammeter (d) LED
38. 38.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
39. 39.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) a straight line (c) a long and a short line (d) two or more cell symbols
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) diode (c) resistor (d) junction

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