Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 753 · 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 inside is the symbol for an ammeter. (a) False (b) True
2. 2.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a straight line (c) a plain rectangle (d) a line lifted at a gap
3. 3.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
5. 5.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
6. 6.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) bulb (c) resistor (d) diode
8. 8.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) battery (c) resistor (d) motor
9. 9.Which drawing is the symbol for a diode? (a) a straight line (b) triangle against a bar (c) many long-short pairs (d) one tall, one short bar
10. 10.Which drawing is the symbol for a junction? (a) a circle with A inside (b) one tall, one short bar (c) a straight line (d) a dot where wires meet
11. 11.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
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 battery? (a) a straight line (b) a circle with a cross (c) a circle with M inside (d) two or more cell symbols
14. 14.Which drawing is the symbol for a switch? (a) a straight line (b) a line lifted at a gap (c) a plain rectangle (d) a circle with V inside
15. 15.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a circle with V inside (c) a circle with A inside (d) a circle with a cross
16. 16.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with M inside (c) two equal parallel lines (d) a circle with an X in it
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) cell (d) diode
18. 18.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
19. 19.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
21. 21.True or false: a small empty box is the symbol for a battery. (a) False (b) True
22. 22.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a plain rectangle (c) a straight line (d) two or more cell symbols
23. 23.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) switch (c) battery (d) voltmeter
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) ammeter (c) motor (d) diode
25. 25.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
26. 26.True or false: triangle against a bar is the symbol for a cell. (a) True (b) False
27. 27.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) resistor (b) motor (c) wire (d) diode
29. 29.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) junction (c) diode (d) cell
30. 30.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) wire (b) motor (c) cell (d) capacitor
31. 31.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) motor (d) voltmeter
33. 33.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) bulb (c) switch (d) LED
34. 34.True or false: a line lifted at a gap is the symbol for a capacitor. (a) False (b) True
35. 35.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a straight line (c) a circle with A inside (d) a circle with a cross
36. 36.True or false: a dot where wires meet is the symbol for a diode. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) capacitor (c) motor (d) ammeter
38. 38.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
39. 39.Which drawing is the symbol for a battery? (a) many long-short pairs (b) one tall, one short bar (c) a circle with an X in it (d) a circle with M inside
40. 40.True or false: a circle with A inside is the symbol for an LED. (a) True (b) False

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