Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 681 · 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 circle with a cross? (a) voltmeter (b) capacitor (c) bulb (d) LED
2. 2.Which drawing is the symbol for a junction? (a) a small empty box (b) a dot where wires meet (c) a plain rectangle (d) one tall, one short bar
3. 3.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) LED (c) motor (d) cell
4. 4.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) triangle against a bar (c) a circle with a cross (d) two or more cell symbols
5. 5.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with a cross (c) a straight line (d) two or more cell symbols
6. 6.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) voltmeter (c) motor (d) ammeter
8. 8.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a long and a short line (c) a circle with A inside (d) a circle with an X in it
9. 9.Which drawing is the symbol for a voltmeter? (a) many long-short pairs (b) a circle with V inside (c) one tall, one short bar (d) two equal parallel lines
10. 10.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) LED (c) voltmeter (d) bulb
11. 11.Which drawing is the symbol for a wire? (a) a straight line (b) many long-short pairs (c) a dot where wires meet (d) a small empty box
12. 12.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
13. 13.Which drawing is the symbol for a motor? (a) two equal parallel lines (b) a dot where wires meet (c) a long and a short line (d) a circle with M inside
14. 14.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) bulb (c) voltmeter (d) wire
16. 16.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a small empty box (c) a dot where wires meet (d) a circle with V inside
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) resistor (c) LED (d) diode
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) diode (b) battery (c) junction (d) voltmeter
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) resistor (d) capacitor
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) wire (c) motor (d) resistor
21. 21.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a dot where wires meet (c) a circle with a cross (d) triangle, bar and arrows
22. 22.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
23. 23.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
24. 24.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
25. 25.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) two equal parallel lines (c) one tall, one short bar (d) two or more cell symbols
26. 26.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
27. 27.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
28. 28.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) voltmeter (d) diode
29. 29.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a circle with M inside (c) a circle with V inside (d) a line lifted at a gap
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) bulb (c) resistor (d) battery
31. 31.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
32. 32.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
33. 33.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True
34. 34.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with V inside (c) a straight line (d) a long and a short line
35. 35.True or false: triangle, bar and arrows is the symbol for a motor. (a) False (b) True
36. 36.True or false: a circle with A inside is the symbol for a motor. (a) False (b) True
37. 37.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
38. 38.True or false: a line lifted at a gap is the symbol for a resistor. (a) True (b) False
39. 39.True or false: triangle against a bar is the symbol for a motor. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) battery (c) switch (d) resistor

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