Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 998 · 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, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
2. 2.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
3. 3.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
4. 4.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) switch (c) LED (d) wire
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) battery (c) voltmeter (d) resistor
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) voltmeter (c) wire (d) junction
7. 7.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) bulb (c) ammeter (d) resistor
8. 8.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) many long-short pairs (c) a dot where wires meet (d) a line lifted at a gap
9. 9.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
10. 10.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
11. 11.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
12. 12.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
13. 13.True or false: a straight line is the symbol for a wire. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) ammeter (c) wire (d) cell
15. 15.True or false: a circle with a cross is the symbol for a capacitor. (a) True (b) False
16. 16.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) triangle against a bar (c) a long and a short line (d) a line lifted at a gap
17. 17.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
18. 18.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
19. 19.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
20. 20.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
21. 21.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) ammeter (c) LED (d) wire
23. 23.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a circle with a cross (c) a long and a short line (d) two or more cell symbols
24. 24.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a long and a short line (c) a dot where wires meet (d) a circle with V inside
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) wire (c) cell (d) battery
26. 26.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a small empty box (c) a line lifted at a gap (d) two equal parallel lines
27. 27.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) many long-short pairs (c) a straight line (d) a circle with M inside
28. 28.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) diode (c) voltmeter (d) motor
30. 30.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
31. 31.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a circle with M inside (c) a plain rectangle (d) one tall, one short bar
32. 32.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) many long-short pairs (c) a circle with a cross (d) a circle with V inside
33. 33.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
34. 34.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
35. 35.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a plain rectangle (c) one tall, one short bar (d) two or more cell symbols
36. 36.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) diode (c) bulb (d) switch
37. 37.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) bulb (c) cell (d) switch
38. 38.Which drawing is the symbol for a wire? (a) a straight line (b) a dot where wires meet (c) a circle with V inside (d) triangle, bar and arrows
39. 39.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
40. 40.Which drawing is the symbol for a diode? (a) many long-short pairs (b) a line lifted at a gap (c) a circle with an X in it (d) triangle against a bar

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