Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 854 · 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 a circle with M inside? (a) resistor (b) motor (c) capacitor (d) junction
2. 2.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
3. 3.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
5. 5.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) ammeter (c) wire (d) cell
7. 7.Which drawing is the symbol for a cell? (a) many long-short pairs (b) one tall, one short bar (c) a dot where wires meet (d) a circle with a cross
8. 8.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
9. 9.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a line lifted at a gap (c) a plain rectangle (d) a straight line
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) cell (c) battery (d) bulb
11. 11.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
12. 12.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
13. 13.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a plain rectangle (d) two or more cell symbols
14. 14.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a plain rectangle (c) a long and a short line (d) many long-short pairs
15. 15.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) bulb (c) voltmeter (d) diode
17. 17.True or false: a dot where wires meet is the symbol for an ammeter. (a) True (b) False
18. 18.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) a straight line (d) a dot where wires meet
19. 19.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with V inside (c) many long-short pairs (d) a dot where wires meet
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) both lines (d) the shorter line
21. 21.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) junction (c) switch (d) ammeter
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) voltmeter (c) wire (d) ammeter
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) switch (c) cell (d) motor
24. 24.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) triangle against a bar (c) a line lifted at a gap (d) two equal parallel lines
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) diode (c) bulb (d) motor
26. 26.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) ammeter (b) capacitor (c) switch (d) resistor
27. 27.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a straight line (c) a plain rectangle (d) a circle with M inside
28. 28.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
29. 29.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) many long-short pairs (d) two equal parallel lines
30. 30.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) voltmeter (c) bulb (d) cell
32. 32.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a dot where wires meet (c) triangle against a bar (d) one tall, one short bar
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) ammeter (c) bulb (d) cell
34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) resistor (c) wire (d) motor
35. 35.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) LED (c) wire (d) resistor
36. 36.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
37. 37.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
38. 38.True or false: a plain rectangle is the symbol for a wire. (a) True (b) False
39. 39.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) capacitor (b) junction (c) bulb (d) LED

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