Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 716 · 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 two equal parallel lines? (a) wire (b) voltmeter (c) battery (d) capacitor
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
3. 3.✏️ 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
4. 4.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with a cross (c) a line lifted at a gap (d) a straight line
5. 5.Which drawing is the symbol for an LED? (a) a straight line (b) triangle, bar and arrows (c) a long and a short line (d) two or more cell symbols
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) resistor (d) motor
7. 7.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) resistor (c) LED (d) motor
8. 8.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with A inside (c) many long-short pairs (d) triangle, bar and arrows
9. 9.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) battery (c) diode (d) junction
11. 11.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with M inside (c) a dot where wires meet (d) many long-short pairs
12. 12.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) bulb (c) junction (d) resistor
13. 13.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
15. 15.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a dot where wires meet (c) a straight line (d) a circle with an X in it
16. 16.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a long and a short line (c) two equal parallel lines (d) a dot where wires meet
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) junction (c) bulb (d) LED
18. 18.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a circle with an X in it (c) a long and a short line (d) a dot where wires meet
19. 19.Which drawing is the symbol for an ammeter? (a) a straight line (b) a circle with V inside (c) a circle with A inside (d) a circle with an X in it
20. 20.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) resistor (c) diode (d) ammeter
21. 21.Which drawing is the symbol for a wire? (a) a straight line (b) a dot where wires meet (c) a long and a short line (d) a circle with M inside
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) junction (c) wire (d) cell
23. 23.True or false: a dot where wires meet is the symbol for a motor. (a) False (b) True
24. 24.True or false: a circle with a cross is the symbol for a switch. (a) False (b) True
25. 25.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) a circle with M inside (c) one tall, one short bar (d) a small empty box
26. 26.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a straight line (c) a long and a short line (d) many long-short pairs
27. 27.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a small empty box (c) a plain rectangle (d) one tall, one short bar
28. 28.True or false: triangle against a bar is the symbol for a bulb. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) motor (c) switch (d) battery
30. 30.Which drawing is the symbol for a diode? (a) a circle with A inside (b) triangle against a bar (c) a circle with V inside (d) a long and a short line
31. 31.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a circle with an X in it (c) a plain rectangle (d) one tall, one short bar
32. 32.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) one tall, one short bar (c) a small empty box (d) a circle with a cross
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) battery (c) resistor (d) ammeter
35. 35.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
36. 36.True or false: a circle with A inside is the symbol for a switch. (a) True (b) False
37. 37.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) ammeter (c) battery (d) LED
39. 39.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
40. 40.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True

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