Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 360 · 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 long and a short line? (a) cell (b) capacitor (c) resistor (d) bulb
2. 2.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a small empty box (d) triangle against a bar
3. 3.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a line lifted at a gap (c) a circle with V inside (d) a plain rectangle
4. 4.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) bulb (d) capacitor
5. 5.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) many long-short pairs (c) a circle with A inside (d) a dot where wires meet
6. 6.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) LED (c) wire (d) resistor
7. 7.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
8. 8.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
9. 9.True or false: two or more cell symbols is the symbol for a bulb. (a) False (b) True
10. 10.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
12. 12.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
13. 13.Which drawing is the symbol for a junction? (a) a small empty box (b) a line lifted at a gap (c) a dot where wires meet (d) two equal parallel lines
14. 14.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
15. 15.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) wavy lines (d) dotted circles
16. 16.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
17. 17.Which drawing is the symbol for a battery? (a) a small empty box (b) many long-short pairs (c) a circle with V inside (d) a long and a short line
18. 18.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
19. 19.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
20. 20.True or false: a small empty box is the symbol for a wire. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) resistor (c) junction (d) switch
22. 22.True or false: two or more cell symbols is the symbol for a wire. (a) True (b) False
23. 23.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a line lifted at a gap (c) triangle, bar and arrows (d) a small empty box
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) bulb (c) voltmeter (d) switch
25. 25.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
26. 26.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) a circle with V inside (c) a circle with a cross (d) two or more cell symbols
27. 27.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a plain rectangle (c) a circle with a cross (d) a circle with V inside
28. 28.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) bulb (c) LED (d) battery
29. 29.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
30. 30.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) two equal parallel lines (c) a circle with an X in it (d) a small empty box
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) LED (b) wire (c) voltmeter (d) ammeter
32. 32.True or false: a small empty box is the symbol for a bulb. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) ammeter (b) capacitor (c) junction (d) resistor
34. 34.True or false: a line lifted at a gap is the symbol for a voltmeter. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) switch (c) resistor (d) voltmeter
36. 36.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
37. 37.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
38. 38.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) a dot where wires meet (c) two equal parallel lines (d) one tall, one short bar
39. 39.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) capacitor (c) diode (d) motor

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