Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 180 · 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 M inside? (a) capacitor (b) motor (c) switch (d) ammeter
2. 2.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
3. 3.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two equal parallel lines (c) one tall, one short bar (d) triangle against a bar
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) wire (c) switch (d) diode
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) junction (c) bulb (d) wire
6. 6.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
7. 7.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
9. 9.True or false: a circle with A inside is the symbol for an LED. (a) False (b) True
10. 10.✏️ 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
11. 11.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) two equal parallel lines (c) a plain rectangle (d) a circle with M inside
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) motor (b) ammeter (c) junction (d) cell
13. 13.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) resistor (c) capacitor (d) voltmeter
14. 14.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
15. 15.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a line lifted at a gap (c) a circle with A inside (d) a circle with a cross
16. 16.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) voltmeter (c) junction (d) resistor
17. 17.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
18. 18.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
19. 19.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a line lifted at a gap (c) a long and a short line (d) a plain rectangle
20. 20.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) battery (c) cell (d) switch
21. 21.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) diode (c) wire (d) junction
22. 22.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
23. 23.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) cell (c) diode (d) battery
25. 25.Which drawing is the symbol for a bulb? (a) a small empty box (b) many long-short pairs (c) a circle with a cross (d) triangle against a bar
26. 26.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with A inside (c) a dot where wires meet (d) a circle with an X in it
27. 27.True or false: a small empty box is the symbol for a bulb. (a) False (b) True
28. 28.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a plain rectangle (c) a straight line (d) many long-short pairs
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) bulb (c) voltmeter (d) battery
30. 30.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
31. 31.True or false: a circle with V inside is the symbol for a switch. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) switch (c) battery (d) diode
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) bulb (c) ammeter (d) LED
34. 34.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) two equal parallel lines (c) one tall, one short bar (d) a dot where wires meet
35. 35.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) resistor (c) LED (d) switch
36. 36.True or false: a plain rectangle is the symbol for an ammeter. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) battery (c) wire (d) cell
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) cell (c) junction (d) motor
39. 39.Which drawing is the symbol for a cell? (a) a plain rectangle (b) two or more cell symbols (c) one tall, one short bar (d) a small empty box
40. 40.True or false: a small empty box is the symbol for a resistor. (a) True (b) False

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