Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 812 · 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: two or more cell symbols is the symbol for a resistor. (a) False (b) True
2. 2.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a line lifted at a gap (c) a circle with M inside (d) two or more cell symbols
3. 3.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
4. 4.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) junction (c) switch (d) battery
6. 6.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) wire (c) diode (d) LED
8. 8.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a straight line (c) a circle with A inside (d) two or more cell symbols
9. 9.Which drawing is the symbol for a capacitor? (a) a circle with A inside (b) two equal parallel lines (c) a long and a short line (d) two or more cell symbols
10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) symbols are heavier (d) quick and clear for all
11. 11.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) voltmeter (b) bulb (c) resistor (d) junction
14. 14.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) a circle with V inside (c) a line lifted at a gap (d) many long-short pairs
15. 15.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) battery (d) voltmeter
16. 16.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a dot where wires meet (c) a circle with an X in it (d) a small empty box
17. 17.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
18. 18.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with an X in it (c) a line lifted at a gap (d) triangle against a bar
19. 19.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a circle with a cross (c) one tall, one short bar (d) two or more cell symbols
20. 20.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) a circle with V inside (c) triangle, bar and arrows (d) a long and a short line
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) LED (c) capacitor (d) bulb
22. 22.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
23. 23.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) triangle against a bar (c) a plain rectangle (d) one tall, one short bar
24. 24.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) triangle against a bar (c) a straight line (d) a circle with A inside
25. 25.True or false: a line lifted at a gap is the symbol for a wire. (a) False (b) True
26. 26.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
27. 27.True or false: a line lifted at a gap is the symbol for a cell. (a) False (b) True
28. 28.True or false: a line lifted at a gap is the symbol for an ammeter. (a) False (b) True
29. 29.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) capacitor (c) voltmeter (d) resistor
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) motor (c) LED (d) battery
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) motor (c) voltmeter (d) junction
32. 32.True or false: a long and a short line is the symbol for a capacitor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) ammeter (b) bulb (c) motor (d) resistor
34. 34.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) bulb (c) LED (d) junction
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) ammeter (c) wire (d) resistor
36. 36.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) motor (c) capacitor (d) bulb
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) bulb (c) capacitor (d) LED
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) bulb (c) junction (d) diode
39. 39.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a circle with M inside (c) a line lifted at a gap (d) a dot where wires meet
40. 40.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True

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