Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 910 · 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.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a plain rectangle (c) triangle, bar and arrows (d) a circle with V inside
2. 2.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) resistor (c) cell (d) switch
3. 3.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) battery (c) motor (d) diode
5. 5.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a circle with a cross (c) a circle with V inside (d) two or more cell symbols
6. 6.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) motor (c) battery (d) wire
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) both lines (d) the longer line
8. 8.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with A inside (c) a straight line (d) a circle with an X in it
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
10. 10.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) voltmeter (c) battery (d) junction
12. 12.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) battery (c) cell (d) switch
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) wire (c) bulb (d) motor
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) ammeter (c) wire (d) bulb
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) switch (c) bulb (d) diode
17. 17.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with a cross (c) a circle with A inside (d) a plain rectangle
18. 18.Which drawing is the symbol for a battery? (a) a circle with A inside (b) two or more cell symbols (c) a long and a short line (d) a small empty box
19. 19.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a small empty box (c) many long-short pairs (d) a long and a short line
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) motor (c) voltmeter (d) capacitor
21. 21.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) ammeter (c) bulb (d) resistor
22. 22.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) bulb (c) ammeter (d) LED
23. 23.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
24. 24.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) many long-short pairs (c) a circle with V inside (d) a circle with an X in it
25. 25.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) motor (d) switch
27. 27.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) voltmeter (c) cell (d) diode
28. 28.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
29. 29.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
30. 30.Which drawing is the symbol for a cell? (a) a straight line (b) many long-short pairs (c) two or more cell symbols (d) one tall, one short bar
31. 31.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a circle with M inside (c) a circle with A inside (d) a straight line
32. 32.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a dot where wires meet (c) two equal parallel lines (d) many long-short pairs
33. 33.True or false: two equal parallel lines is the symbol for an ammeter. (a) True (b) False
34. 34.True or false: triangle, bar and arrows is the symbol for a motor. (a) True (b) False
35. 35.True or false: a circle with A inside is the symbol for a junction. (a) False (b) True
36. 36.Which drawing is the symbol for an LED? (a) triangle against a bar (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with M inside
37. 37.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) triangle, bar and arrows (c) a line lifted at a gap (d) a long and a short line
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) voltmeter (c) bulb (d) diode
39. 39.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
40. 40.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) two equal parallel lines (c) a straight line (d) triangle, bar and arrows

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