Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 253 · 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, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
2. 2.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
3. 3.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) ammeter (c) voltmeter (d) wire
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) LED (b) bulb (c) junction (d) ammeter
6. 6.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
7. 7.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) motor (c) wire (d) resistor
8. 8.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) motor (c) junction (d) capacitor
9. 9.Which drawing is the symbol for an ammeter? (a) a circle with an X in it (b) many long-short pairs (c) a circle with A inside (d) triangle against a bar
10. 10.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) ammeter (c) battery (d) LED
11. 11.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
12. 12.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) wire (b) cell (c) LED (d) capacitor
13. 13.Which drawing is the symbol for a diode? (a) triangle against a bar (b) many long-short pairs (c) a line lifted at a gap (d) two equal parallel lines
14. 14.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a line lifted at a gap (c) a long and a short line (d) a circle with V inside
15. 15.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) bulb (c) battery (d) resistor
16. 16.Which drawing is the symbol for a wire? (a) a circle with A inside (b) triangle against a bar (c) a straight line (d) many long-short pairs
17. 17.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) diode (c) capacitor (d) bulb
19. 19.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) diode (c) wire (d) junction
20. 20.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a plain rectangle (c) one tall, one short bar (d) many long-short pairs
21. 21.Which drawing is the symbol for a junction? (a) many long-short pairs (b) a dot where wires meet (c) one tall, one short bar (d) a circle with V inside
22. 22.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) one tall, one short bar (d) a straight line
23. 23.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with a cross (c) a circle with an X in it (d) a dot where wires meet
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) battery (b) motor (c) cell (d) diode
25. 25.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) battery (c) capacitor (d) wire
26. 26.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) switch (c) wire (d) bulb
28. 28.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) a small empty box (c) two equal parallel lines (d) a line lifted at a gap
29. 29.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
30. 30.True or false: a circle with an X in it is the symbol for a capacitor. (a) True (b) False
31. 31.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) a circle with V inside (c) two or more cell symbols (d) a circle with M inside
32. 32.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) voltmeter (b) diode (c) motor (d) LED
33. 33.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
34. 34.True or false: a circle with A inside is the symbol for a junction. (a) True (b) False
35. 35.Which drawing is the symbol for a battery? (a) a small empty box (b) a line lifted at a gap (c) a circle with a cross (d) many long-short pairs
36. 36.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) one tall, one short bar (c) triangle against a bar (d) many long-short pairs
37. 37.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) battery (c) LED (d) switch
38. 38.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
39. 39.Which drawing is the symbol for a switch? (a) a straight line (b) a small empty box (c) a circle with an X in it (d) a line lifted at a gap
40. 40.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with M inside (c) a small empty box (d) a straight line

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