Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 338 · 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, wires are usually drawn as … (a) little stars (b) dotted circles (c) straight lines (d) wavy lines
2. 2.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) wire (c) voltmeter (d) diode
4. 4.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
5. 5.True or false: a straight line is the symbol for a motor. (a) True (b) False
6. 6.True or false: two or more cell symbols is the symbol for a bulb. (a) True (b) False
7. 7.True or false: a long and a short line is the symbol for an LED. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) junction (c) bulb (d) wire
9. 9.Which drawing is the symbol for a cell? (a) triangle against a bar (b) two or more cell symbols (c) a line lifted at a gap (d) a long and a short line
10. 10.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) battery (b) cell (c) bulb (d) voltmeter
12. 12.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) LED (c) battery (d) switch
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
14. 14.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) a straight line (c) a dot where wires meet (d) two equal parallel lines
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) motor (c) voltmeter (d) resistor
16. 16.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) junction (c) cell (d) motor
18. 18.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) triangle, bar and arrows (c) a line lifted at a gap (d) a circle with an X in it
19. 19.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) LED (c) cell (d) motor
21. 21.Which drawing is the symbol for a junction? (a) a circle with an X in it (b) many long-short pairs (c) a circle with a cross (d) a dot where wires meet
22. 22.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a dot where wires meet (c) two or more cell symbols (d) a plain rectangle
23. 23.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a long and a short line (c) a small empty box (d) a straight line
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) capacitor (c) resistor (d) ammeter
25. 25.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with M inside (c) a line lifted at a gap (d) a plain rectangle
26. 26.True or false: a straight line is the symbol for a voltmeter. (a) False (b) True
27. 27.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
28. 28.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a circle with A inside (d) many long-short pairs
29. 29.True or false: triangle, bar and arrows is the symbol for a wire. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) bulb (c) battery (d) switch
31. 31.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) LED (c) bulb (d) capacitor
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) battery (c) cell (d) bulb
33. 33.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) motor (c) junction (d) bulb
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) battery (c) switch (d) wire
35. 35.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
36. 36.Which drawing is the symbol for a battery? (a) a straight line (b) a circle with M inside (c) many long-short pairs (d) a circle with a cross
37. 37.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) voltmeter (c) resistor (d) ammeter
39. 39.True or false: a circle with M inside is the symbol for a cell. (a) False (b) True
40. 40.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False

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