Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 68 · 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 capacitor? (a) a dot where wires meet (b) one tall, one short bar (c) two equal parallel lines (d) a plain rectangle
2. 2.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
4. 4.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) resistor (c) cell (d) LED
6. 6.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) one tall, one short bar (c) a small empty box (d) many long-short pairs
7. 7.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) ammeter (c) LED (d) motor
8. 8.Which drawing is the symbol for a diode? (a) a plain rectangle (b) triangle against a bar (c) many long-short pairs (d) a circle with A inside
9. 9.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
10. 10.True or false: a circle with A inside is the symbol for a diode. (a) True (b) False
11. 11.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a dot where wires meet (c) many long-short pairs (d) a line lifted at a gap
12. 12.Which drawing is the symbol for a bulb? (a) a straight line (b) triangle, bar and arrows (c) a plain rectangle (d) a circle with an X in it
13. 13.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) LED (c) capacitor (d) battery
14. 14.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) wire (c) junction (d) resistor
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
16. 16.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
17. 17.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) triangle against a bar (c) two or more cell symbols (d) a circle with V inside
18. 18.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) LED (c) capacitor (d) junction
19. 19.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
20. 20.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
21. 21.Which drawing is the symbol for a switch? (a) a circle with A inside (b) a circle with V inside (c) a long and a short line (d) a line lifted at a gap
22. 22.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) voltmeter (b) battery (c) switch (d) capacitor
23. 23.Which drawing is the symbol for a cell? (a) a straight line (b) a circle with an X in it (c) a circle with a cross (d) a long and a short line
24. 24.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
25. 25.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
26. 26.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
27. 27.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) voltmeter (c) junction (d) motor
29. 29.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) many long-short pairs (c) a circle with M inside (d) a straight line
30. 30.True or false: a plain rectangle is the symbol for a motor. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) motor (c) diode (d) wire
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 circle with V inside is the symbol for a battery. (a) True (b) False
34. 34.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
35. 35.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
36. 36.Which drawing is the symbol for a wire? (a) two or more cell symbols (b) one tall, one short bar (c) a long and a short line (d) a straight line
37. 37.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) motor (c) capacitor (d) junction
38. 38.True or false: triangle against a bar is the symbol for a cell. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) wire (d) diode
40. 40.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) bulb (c) switch (d) cell

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