Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 67 · 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.✏️ 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
2. 2.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with V inside (c) a line lifted at a gap (d) a straight line
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
4. 4.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a dot where wires meet (c) a straight line (d) a circle with an X in it
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) junction (c) bulb (d) diode
6. 6.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a circle with an X in it (c) a dot where wires meet (d) triangle against a bar
7. 7.True or false: a circle with M inside is the symbol for a diode. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) junction (b) diode (c) capacitor (d) switch
9. 9.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a plain rectangle (d) one tall, one short bar
10. 10.True or false: one tall, one short bar is the symbol for a capacitor. (a) True (b) False
11. 11.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) two or more cell symbols (d) two equal parallel lines
12. 12.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) bulb (c) switch (d) motor
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) diode (c) ammeter (d) resistor
15. 15.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) triangle against a bar (c) many long-short pairs (d) triangle, bar and arrows
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) cell (c) capacitor (d) LED
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) cell (c) junction (d) motor
18. 18.Which drawing is the symbol for a battery? (a) a small empty box (b) a plain rectangle (c) two or more cell symbols (d) a long and a short line
19. 19.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) resistor (c) ammeter (d) capacitor
20. 20.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) bulb (c) ammeter (d) battery
21. 21.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) LED (c) voltmeter (d) resistor
22. 22.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
23. 23.True or false: triangle, bar and arrows is the symbol for a switch. (a) False (b) True
24. 24.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) voltmeter (c) capacitor (d) battery
26. 26.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) ammeter (c) wire (d) resistor
27. 27.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with A inside (c) one tall, one short bar (d) a circle with a cross
28. 28.True or false: a straight line is the symbol for a wire. (a) False (b) True
29. 29.True or false: two equal parallel lines is the symbol for a battery. (a) True (b) False
30. 30.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) junction (c) cell (d) diode
31. 31.Which drawing is the symbol for a motor? (a) a plain rectangle (b) a circle with M inside (c) a dot where wires meet (d) a circle with A inside
32. 32.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
33. 33.True or false: a circle with M inside is the symbol for a bulb. (a) True (b) False
34. 34.True or false: a long and a short line is the symbol for a motor. (a) False (b) True
35. 35.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) triangle, bar and arrows (c) a plain rectangle (d) a circle with A inside
36. 36.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) switch (c) voltmeter (d) junction
37. 37.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) triangle against a bar (c) a long and a short line (d) a straight line
38. 38.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
39. 39.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) ammeter (c) resistor (d) bulb

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