Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 874 · 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.True or false: two equal parallel lines is the symbol for a diode. (a) True (b) False
2. 2.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
3. 3.✏️ 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
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) cell (c) battery (d) bulb
5. 5.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
7. 7.Which drawing is the symbol for a battery? (a) a long and a short line (b) two or more cell symbols (c) one tall, one short bar (d) a circle with V inside
8. 8.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) voltmeter (c) LED (d) cell
9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) resistor (c) bulb (d) ammeter
10. 10.True or false: a circle with M inside is the symbol for a bulb. (a) False (b) True
11. 11.True or false: a straight line is the symbol for a wire. (a) False (b) True
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
13. 13.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
14. 14.True or false: a plain rectangle is the symbol for an LED. (a) False (b) True
15. 15.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a circle with M inside (c) a straight line (d) a circle with A inside
16. 16.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a dot where wires meet (c) two equal parallel lines (d) a circle with V inside
17. 17.Which drawing is the symbol for a diode? (a) a circle with A inside (b) triangle against a bar (c) many long-short pairs (d) a plain rectangle
18. 18.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
19. 19.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
20. 20.Which drawing is the symbol for a cell? (a) a long and a short line (b) a line lifted at a gap (c) a circle with A inside (d) a circle with an X in it
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) switch (b) wire (c) ammeter (d) junction
23. 23.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a circle with a cross (c) many long-short pairs (d) a plain rectangle
24. 24.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a small empty box (c) a circle with a cross (d) a circle with A inside
25. 25.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) a circle with V inside (c) a line lifted at a gap (d) triangle, bar and arrows
26. 26.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) diode (c) ammeter (d) cell
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) cell (c) battery (d) resistor
28. 28.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with V inside (c) two or more cell symbols (d) two equal parallel lines
29. 29.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) capacitor (c) ammeter (d) wire
31. 31.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with M inside (c) a dot where wires meet (d) a plain rectangle
32. 32.True or false: a long and a short line is the symbol for a switch. (a) True (b) False
33. 33.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) voltmeter (c) switch (d) battery
35. 35.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
36. 36.Which drawing is the symbol for a junction? (a) a long and a short line (b) a dot where wires meet (c) a straight line (d) a circle with a cross
37. 37.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) LED (c) cell (d) motor
38. 38.True or false: a straight line is the symbol for an LED. (a) False (b) True
39. 39.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a long and a short line (c) many long-short pairs (d) a plain rectangle
40. 40.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a circle with M inside (c) two equal parallel lines (d) a circle with A inside

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