Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 617 · 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: a circle with a cross is the symbol for an LED. (a) True (b) False
2. 2.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) triangle, bar and arrows (c) two or more cell symbols (d) triangle against a bar
3. 3.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) capacitor (c) voltmeter (d) battery
4. 4.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) one tall, one short bar (c) a line lifted at a gap (d) many long-short pairs
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
6. 6.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) a dot where wires meet (c) a circle with V inside (d) a straight line
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) capacitor (d) motor
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) capacitor (c) motor (d) junction
10. 10.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) cell (c) bulb (d) diode
12. 12.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
13. 13.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a small empty box (c) a circle with a cross (d) a straight line
14. 14.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
15. 15.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) a small empty box (c) two or more cell symbols (d) triangle, bar and arrows
16. 16.True or false: triangle against a bar is the symbol for a resistor. (a) False (b) True
17. 17.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a straight line (c) a plain rectangle (d) one tall, one short bar
18. 18.True or false: a circle with a cross is the symbol for a capacitor. (a) False (b) True
19. 19.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) little stars (d) wavy lines
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) bulb (c) resistor (d) diode
21. 21.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
22. 22.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) diode (c) battery (d) ammeter
24. 24.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with M inside (c) a circle with V inside (d) a plain rectangle
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) switch (c) battery (d) wire
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) diode (c) capacitor (d) resistor
27. 27.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a straight line (c) a dot where wires meet (d) one tall, one short bar
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) motor (c) bulb (d) switch
29. 29.Which drawing is the symbol for a switch? (a) a long and a short line (b) one tall, one short bar (c) many long-short pairs (d) a line lifted at a gap
30. 30.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) cell (c) LED (d) ammeter
31. 31.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) bulb (c) cell (d) battery
32. 32.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) voltmeter (c) wire (d) capacitor
34. 34.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) triangle against a bar (c) two equal parallel lines (d) many long-short pairs
35. 35.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
36. 36.True or false: a circle with A inside is the symbol for a junction. (a) True (b) False
37. 37.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with an X in it (c) many long-short pairs (d) a small empty box
38. 38.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a long and a short line (c) a line lifted at a gap (d) a circle with an X in it
39. 39.True or false: a dot where wires meet is the symbol for a bulb. (a) False (b) True
40. 40.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a small empty box (c) one tall, one short bar (d) a circle with a cross

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