Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 637 · 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 V inside? (a) resistor (b) switch (c) voltmeter (d) cell
2. 2.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) diode (c) junction (d) resistor
3. 3.True or false: many long-short pairs is the symbol for a junction. (a) True (b) False
4. 4.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
5. 5.True or false: a straight line is the symbol for a battery. (a) False (b) True
6. 6.Which drawing is the symbol for a motor? (a) a long and a short line (b) a circle with an X in it (c) a circle with M inside (d) a small empty box
7. 7.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a circle with a cross (c) a circle with M inside (d) a circle with V inside
8. 8.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
9. 9.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) both lines (d) neither line
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) switch (c) bulb (d) cell
11. 11.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
12. 12.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
13. 13.Which drawing is the symbol for an LED? (a) many long-short pairs (b) a circle with V inside (c) triangle, bar and arrows (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) wire (c) bulb (d) battery
15. 15.True or false: a plain rectangle is the symbol for a battery. (a) True (b) False
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
17. 17.True or false: a circle with A inside is the symbol for a cell. (a) True (b) False
18. 18.Which drawing is the symbol for a cell? (a) a circle with a cross (b) one tall, one short bar (c) two equal parallel lines (d) two or more cell symbols
19. 19.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) triangle against a bar (c) a straight line (d) a circle with a cross
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) LED (c) bulb (d) resistor
21. 21.True or false: one tall, one short bar is the symbol for an LED. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) switch (c) resistor (d) wire
23. 23.True or false: a circle with M inside is the symbol for a junction. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) bulb (c) voltmeter (d) switch
25. 25.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with an X in it (c) two or more cell symbols (d) two equal parallel lines
26. 26.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a straight line (c) a line lifted at a gap (d) a small empty box
27. 27.True or false: two or more cell symbols is the symbol for a diode. (a) False (b) True
28. 28.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
29. 29.True or false: a circle with A inside is the symbol for a resistor. (a) True (b) False
30. 30.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) two equal parallel lines (c) a line lifted at a gap (d) a plain rectangle
31. 31.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) voltmeter (d) battery
32. 32.True or false: triangle, bar and arrows is the symbol for a bulb. (a) True (b) False
33. 33.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a small empty box (c) a long and a short line (d) a dot where wires meet
34. 34.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) battery (c) switch (d) wire
35. 35.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) bulb (c) cell (d) junction
37. 37.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) many long-short pairs (c) a small empty box (d) a line lifted at a gap
38. 38.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) battery (c) motor (d) bulb
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) junction (d) bulb
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False

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