Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 957 · 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.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) bulb (c) LED (d) cell
2. 2.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
3. 3.Which drawing is the symbol for an LED? (a) a straight line (b) a dot where wires meet (c) many long-short pairs (d) triangle, bar and arrows
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) voltmeter (c) wire (d) ammeter
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) cell (c) motor (d) voltmeter
6. 6.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with a cross (c) triangle against a bar (d) one tall, one short bar
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
8. 8.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
9. 9.True or false: a circle with M inside is the symbol for a cell. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) junction (c) voltmeter (d) ammeter
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) wire (d) voltmeter
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
13. 13.True or false: two equal parallel lines is the symbol for an ammeter. (a) True (b) False
14. 14.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a circle with A inside (c) two equal parallel lines (d) a small empty box
15. 15.True or false: a dot where wires meet is the symbol for a battery. (a) False (b) True
16. 16.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) battery (c) voltmeter (d) motor
18. 18.True or false: many long-short pairs is the symbol for a switch. (a) False (b) True
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) bulb (c) capacitor (d) LED
20. 20.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a circle with a cross (c) a circle with M inside (d) a line lifted at a gap
21. 21.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) diode (c) junction (d) ammeter
23. 23.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) a straight line (c) a circle with V inside (d) a circle with an X in it
24. 24.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) voltmeter (c) bulb (d) resistor
25. 25.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) bulb (c) cell (d) LED
27. 27.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
28. 28.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a circle with an X in it (c) a plain rectangle (d) two equal parallel lines
29. 29.True or false: one tall, one short bar is the symbol for a motor. (a) False (b) True
30. 30.Which drawing is the symbol for a junction? (a) a circle with V inside (b) triangle, bar and arrows (c) a circle with M inside (d) a dot where wires meet
31. 31.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) a long and a short line (c) a circle with A inside (d) triangle, bar and arrows
32. 32.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a dot where wires meet (c) one tall, one short bar (d) a small empty box
33. 33.True or false: many long-short pairs is the symbol for an ammeter. (a) True (b) False
34. 34.True or false: one tall, one short bar is the symbol for a resistor. (a) False (b) True
35. 35.True or false: a small empty box is the symbol for a capacitor. (a) False (b) True
36. 36.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) two or more cell symbols (c) a circle with an X in it (d) a plain rectangle
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) bulb (c) motor (d) switch
38. 38.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
39. 39.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with A inside (c) two equal parallel lines (d) a line lifted at a gap
40. 40.True or false: a long and a short line is the symbol for an LED. (a) True (b) False

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