Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 739 · 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 against a bar is the symbol for a battery. (a) True (b) False
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) motor (d) switch
3. 3.True or false: triangle, bar and arrows is the symbol for a battery. (a) True (b) False
4. 4.True or false: a circle with A inside is the symbol for a motor. (a) True (b) False
5. 5.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
6. 6.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a long and a short line (c) triangle, bar and arrows (d) a plain rectangle
7. 7.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) LED (b) bulb (c) battery (d) diode
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) bulb (c) LED (d) ammeter
10. 10.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) a plain rectangle (d) a circle with M inside
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) capacitor (c) motor (d) bulb
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) neither line (d) both lines
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
14. 14.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a dot where wires meet (c) a plain rectangle (d) one tall, one short bar
15. 15.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) diode (c) bulb (d) voltmeter
16. 16.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) bulb (c) wire (d) capacitor
17. 17.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) two equal parallel lines (c) a circle with a cross (d) a small empty box
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) battery (c) cell (d) motor
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) wire (c) voltmeter (d) motor
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) cell (c) LED (d) junction
21. 21.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a circle with M inside (c) a plain rectangle (d) a line lifted at a gap
22. 22.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
23. 23.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
24. 24.Which drawing is the symbol for a diode? (a) a straight line (b) triangle against a bar (c) two equal parallel lines (d) many long-short pairs
25. 25.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) resistor (c) ammeter (d) LED
26. 26.True or false: triangle against a bar is the symbol for a voltmeter. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) voltmeter (d) cell
28. 28.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
29. 29.True or false: a circle with V inside is the symbol for an LED. (a) True (b) False
30. 30.Which drawing is the symbol for a cell? (a) a circle with a cross (b) triangle, bar and arrows (c) a long and a short line (d) a dot where wires meet
31. 31.True or false: a line lifted at a gap is the symbol for a resistor. (a) False (b) True
32. 32.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) triangle, bar and arrows (c) a circle with a cross (d) two or more cell symbols
33. 33.Which drawing is the symbol for a capacitor? (a) a circle with a cross (b) two equal parallel lines (c) a plain rectangle (d) a small empty box
34. 34.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
35. 35.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
36. 36.Which drawing is the symbol for a junction? (a) many long-short pairs (b) one tall, one short bar (c) a circle with M inside (d) a dot where wires meet
37. 37.Which drawing is the symbol for a battery? (a) a circle with a cross (b) one tall, one short bar (c) a straight line (d) two or more cell symbols
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) capacitor (b) LED (c) cell (d) ammeter
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) cell (c) motor (d) resistor
40. 40.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True

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