Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 591 · 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 or more cell symbols is the symbol for a capacitor. (a) True (b) False
2. 2.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a plain rectangle (c) many long-short pairs (d) a circle with A inside
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
4. 4.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) resistor (c) cell (d) LED
5. 5.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
6. 6.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) a line lifted at a gap (c) a circle with V inside (d) a straight line
7. 7.Which drawing is the symbol for an LED? (a) a long and a short line (b) one tall, one short bar (c) triangle, bar and arrows (d) a circle with a cross
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) voltmeter (c) bulb (d) diode
9. 9.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) voltmeter (c) battery (d) bulb
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) motor (c) capacitor (d) bulb
13. 13.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) many long-short pairs (c) a plain rectangle (d) triangle against a bar
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) diode (c) battery (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) wire (c) diode (d) resistor
16. 16.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
17. 17.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a circle with A inside (c) a circle with V inside (d) triangle, bar and arrows
18. 18.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) capacitor (c) switch (d) LED
19. 19.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with V inside (c) one tall, one short bar (d) a plain rectangle
20. 20.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a long and a short line (c) triangle against a bar (d) triangle, bar and arrows
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) voltmeter (c) LED (d) capacitor
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) capacitor (c) motor (d) switch
23. 23.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) resistor (c) ammeter (d) switch
24. 24.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
25. 25.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
26. 26.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
27. 27.Which drawing is the symbol for a diode? (a) one tall, one short bar (b) many long-short pairs (c) triangle against a bar (d) a circle with M inside
28. 28.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
29. 29.True or false: a circle with an X in it is the symbol for a resistor. (a) False (b) True
30. 30.True or false: two equal parallel lines is the symbol for a switch. (a) True (b) False
31. 31.True or false: a circle with M inside is the symbol for a resistor. (a) False (b) True
32. 32.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
33. 33.Which drawing is the symbol for a junction? (a) a circle with M inside (b) a dot where wires meet (c) a straight line (d) a line lifted at a gap
34. 34.True or false: a small empty box is the symbol for a bulb. (a) False (b) True
35. 35.True or false: a line lifted at a gap is the symbol for a capacitor. (a) False (b) True
36. 36.True or false: a circle with V inside is the symbol for a switch. (a) False (b) True
37. 37.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) two or more cell symbols (c) a circle with M inside (d) a small empty box
38. 38.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
39. 39.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
40. 40.True or false: a straight line is the symbol for a voltmeter. (a) False (b) True

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