Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 966 · 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 a circle with A inside? (a) switch (b) junction (c) ammeter (d) motor
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) switch (c) bulb (d) battery
3. 3.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
4. 4.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) a circle with A inside (d) a straight line
5. 5.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with M inside (c) a line lifted at a gap (d) a small empty box
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) bulb (c) resistor (d) LED
8. 8.True or false: a circle with V inside is the symbol for a battery. (a) True (b) False
9. 9.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) ammeter (c) capacitor (d) battery
10. 10.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) a long and a short line (d) a dot where wires meet
11. 11.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) cell (c) voltmeter (d) bulb
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) capacitor (c) junction (d) diode
13. 13.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) capacitor (c) junction (d) cell
14. 14.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
15. 15.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
16. 16.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) triangle against a bar (c) a long and a short line (d) two or more cell symbols
17. 17.True or false: triangle against a bar is the symbol for a cell. (a) True (b) False
18. 18.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a circle with A inside (c) a small empty box (d) a dot where wires meet
19. 19.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) True (b) False
20. 20.Which drawing is the symbol for a cell? (a) a straight line (b) one tall, one short bar (c) many long-short pairs (d) triangle, bar and arrows
21. 21.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) cell (c) wire (d) battery
22. 22.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
23. 23.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) switch (c) battery (d) resistor
25. 25.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) resistor (c) wire (d) bulb
26. 26.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) voltmeter (c) LED (d) battery
27. 27.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
28. 28.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a plain rectangle (c) one tall, one short bar (d) a dot where wires meet
29. 29.True or false: a circle with an X in it is the symbol for a switch. (a) True (b) False
30. 30.True or false: a long and a short line is the symbol for an LED. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) switch (c) cell (d) junction
32. 32.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
33. 33.True or false: a small empty box is the symbol for an LED. (a) False (b) True
34. 34.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
35. 35.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a small empty box (c) a line lifted at a gap (d) one tall, one short bar
36. 36.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a circle with a cross (c) a circle with A inside (d) many long-short pairs
37. 37.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
38. 38.True or false: a straight line is the symbol for a wire. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) wire (c) ammeter (d) cell
40. 40.True or false: a straight line is the symbol for a diode. (a) True (b) False

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