Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 53 · 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 cell? (a) triangle against a bar (b) two or more cell symbols (c) one tall, one short bar (d) a circle with an X in it
2. 2.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) resistor (c) capacitor (d) cell
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) switch (c) LED (d) resistor
4. 4.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
5. 5.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with a cross (c) many long-short pairs (d) two equal parallel lines
6. 6.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) capacitor (b) wire (c) cell (d) resistor
7. 7.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) wire (c) resistor (d) voltmeter
9. 9.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) symbols are heavier (d) to make it colourful
10. 10.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) two equal parallel lines (c) a circle with M inside (d) a plain rectangle
11. 11.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
12. 12.Which drawing is the symbol for a wire? (a) a dot where wires meet (b) many long-short pairs (c) a straight line (d) triangle, bar and arrows
13. 13.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) bulb (c) resistor (d) LED
15. 15.True or false: many long-short pairs is the symbol for a capacitor. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) bulb (c) diode (d) ammeter
17. 17.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
18. 18.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
19. 19.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a small empty box (c) a circle with A inside (d) a circle with an X in it
20. 20.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a plain rectangle (c) triangle against a bar (d) a circle with A inside
21. 21.Which drawing is the symbol for an LED? (a) a small empty box (b) a circle with A inside (c) a circle with a cross (d) triangle, bar and arrows
22. 22.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) bulb (c) resistor (d) cell
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) switch (c) ammeter (d) cell
24. 24.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with a cross (c) one tall, one short bar (d) two or more cell symbols
25. 25.True or false: a plain rectangle is the symbol for a cell. (a) False (b) True
26. 26.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a small empty box (c) two equal parallel lines (d) triangle, bar and arrows
27. 27.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a small empty box (c) a straight line (d) a circle with A inside
28. 28.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) junction (c) battery (d) switch
29. 29.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
30. 30.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with a cross (c) a line lifted at a gap (d) a dot where wires meet
31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) wire (c) LED (d) battery
32. 32.True or false: many long-short pairs is the symbol for a junction. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) ammeter (b) LED (c) cell (d) resistor
34. 34.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a circle with a cross (c) a line lifted at a gap (d) many long-short pairs
35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) wire (c) voltmeter (d) capacitor
36. 36.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) cell (c) battery (d) bulb
38. 38.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a dot where wires meet (c) a circle with an X in it (d) two or more cell symbols
39. 39.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
40. 40.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False

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