Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 575 · 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: triangle, bar and arrows is the symbol for a diode. (a) True (b) False
2. 2.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) triangle against a bar (c) a line lifted at a gap (d) a circle with a cross
3. 3.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) junction (c) motor (d) battery
5. 5.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with V inside (c) a straight line (d) a circle with M inside
6. 6.Which drawing is the symbol for a cell? (a) a long and a short line (b) a plain rectangle (c) a line lifted at a gap (d) a straight line
7. 7.✏️ 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
8. 8.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a plain rectangle (c) a circle with a cross (d) one tall, one short bar
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) voltmeter (c) cell (d) resistor
10. 10.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) ammeter (c) capacitor (d) junction
11. 11.True or false: two equal parallel lines is the symbol for a battery. (a) False (b) True
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
13. 13.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) capacitor (c) switch (d) resistor
15. 15.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) wire (c) switch (d) motor
16. 16.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) a long and a short line (d) many long-short pairs
17. 17.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) voltmeter (b) diode (c) battery (d) resistor
18. 18.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a circle with V inside (c) two or more cell symbols (d) a dot where wires meet
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) ammeter (c) cell (d) battery
20. 20.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) cell (c) resistor (d) LED
22. 22.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) junction (c) ammeter (d) motor
25. 25.Which drawing is the symbol for a voltmeter? (a) a dot where wires meet (b) a circle with an X in it (c) triangle against a bar (d) a circle with V inside
26. 26.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a small empty box (c) a circle with M inside (d) many long-short pairs
27. 27.True or false: a long and a short line is the symbol for a diode. (a) False (b) True
28. 28.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) triangle, bar and arrows (c) a circle with A inside (d) triangle against a bar
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) capacitor (d) LED
30. 30.True or false: a long and a short line is the symbol for a capacitor. (a) True (b) False
31. 31.True or false: a straight line is the symbol for a battery. (a) True (b) False
32. 32.Which drawing is the symbol for a battery? (a) a circle with a cross (b) two equal parallel lines (c) a long and a short line (d) many long-short pairs
33. 33.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
34. 34.True or false: one tall, one short bar is the symbol for a junction. (a) True (b) False
35. 35.True or false: a line lifted at a gap is the symbol for a bulb. (a) True (b) False
36. 36.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) a dot where wires meet (c) triangle, bar and arrows (d) two equal parallel lines
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) bulb (c) switch (d) capacitor
38. 38.Which drawing is the symbol for a diode? (a) a line lifted at a gap (b) many long-short pairs (c) a plain rectangle (d) triangle against a bar
39. 39.Which drawing is the symbol for a junction? (a) a plain rectangle (b) triangle against a bar (c) a dot where wires meet (d) a circle with A inside
40. 40.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) voltmeter (c) junction (d) switch

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