Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 322 · 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 an ammeter? (a) one tall, one short bar (b) a plain rectangle (c) a circle with A inside (d) two or more cell symbols
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
3. 3.True or false: a small empty box is the symbol for a junction. (a) True (b) False
4. 4.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) triangle against a bar (c) a circle with A inside (d) a straight line
5. 5.True or false: a plain rectangle is the symbol for a switch. (a) False (b) True
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
7. 7.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) two equal parallel lines (c) a plain rectangle (d) two or more cell symbols
8. 8.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) bulb (c) cell (d) LED
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) bulb (c) ammeter (d) junction
10. 10.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to make it colourful (d) to hide the circuit
11. 11.True or false: triangle, bar and arrows is the symbol for a junction. (a) True (b) False
12. 12.Which drawing is the symbol for a motor? (a) a circle with A inside (b) a small empty box (c) one tall, one short bar (d) a circle with M inside
13. 13.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a line lifted at a gap (c) one tall, one short bar (d) two or more cell symbols
14. 14.Which drawing is the symbol for a capacitor? (a) a straight line (b) a long and a short line (c) two equal parallel lines (d) two or more cell symbols
15. 15.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a plain rectangle (c) two equal parallel lines (d) many long-short pairs
16. 16.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) cell (d) bulb
18. 18.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) ammeter (c) cell (d) resistor
19. 19.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
20. 20.Which drawing is the symbol for an LED? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with an X in it (d) one tall, one short bar
21. 21.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) motor (c) battery (d) switch
22. 22.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
23. 23.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) voltmeter (c) battery (d) capacitor
25. 25.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a small empty box (c) a dot where wires meet (d) a line lifted at a gap
26. 26.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
27. 27.True or false: a dot where wires meet is the symbol for a switch. (a) False (b) True
28. 28.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
29. 29.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a straight line (c) one tall, one short bar (d) triangle, bar and arrows
30. 30.True or false: triangle against a bar is the symbol for a bulb. (a) False (b) True
31. 31.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) diode (c) cell (d) wire
33. 33.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
34. 34.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
35. 35.True or false: a straight line is the symbol for a capacitor. (a) False (b) True
36. 36.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
37. 37.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) two equal parallel lines (c) a straight line (d) a circle with an X in it
38. 38.Which drawing is the symbol for a cell? (a) a small empty box (b) a plain rectangle (c) one tall, one short bar (d) a circle with an X in it
39. 39.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
40. 40.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False

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