Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 927 · 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 switch? (a) a circle with an X in it (b) two or more cell symbols (c) a straight line (d) a line lifted at a gap
2. 2.Which drawing is the symbol for a wire? (a) a long and a short line (b) triangle against a bar (c) a straight line (d) a circle with M inside
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
4. 4.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) wire (d) ammeter
5. 5.True or false: a circle with A inside is the symbol for a cell. (a) False (b) True
6. 6.Which drawing is the symbol for a junction? (a) a plain rectangle (b) a dot where wires meet (c) triangle, bar and arrows (d) triangle against a bar
7. 7.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) junction (d) voltmeter
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) diode (c) ammeter (d) motor
9. 9.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) motor (d) capacitor
11. 11.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) a small empty box (c) a circle with A inside (d) a line lifted at a gap
12. 12.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
13. 13.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a plain rectangle (c) a circle with M inside (d) many long-short pairs
14. 14.Which drawing is the symbol for a capacitor? (a) a line lifted at a gap (b) a circle with M inside (c) two equal parallel lines (d) a small empty box
15. 15.Which drawing is the symbol for a diode? (a) a straight line (b) a long and a short line (c) a dot where wires meet (d) triangle against a bar
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) bulb (c) motor (d) resistor
17. 17.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) one tall, one short bar (c) two equal parallel lines (d) two or more cell symbols
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
19. 19.Which drawing is the symbol for a battery? (a) a straight line (b) two or more cell symbols (c) a line lifted at a gap (d) a dot where wires meet
20. 20.Which drawing is the symbol for a motor? (a) a small empty box (b) many long-short pairs (c) a circle with M inside (d) a dot where wires meet
21. 21.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a straight line (c) a circle with M inside (d) triangle, bar and arrows
22. 22.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a circle with V inside (c) a circle with a cross (d) triangle against a bar
23. 23.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) diode (c) capacitor (d) voltmeter
24. 24.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
25. 25.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True
26. 26.True or false: a long and a short line is the symbol for a switch. (a) False (b) True
27. 27.True or false: triangle against a bar is the symbol for an ammeter. (a) False (b) True
28. 28.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) two equal parallel lines (c) a small empty box (d) a long and a short line
29. 29.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
30. 30.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a long and a short line (c) a circle with A inside (d) a dot where wires meet
31. 31.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) capacitor (c) diode (d) battery
32. 32.True or false: a circle with M inside is the symbol for a switch. (a) False (b) True
33. 33.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
34. 34.True or false: a dot where wires meet is the symbol for a voltmeter. (a) False (b) True
35. 35.True or false: a dot where wires meet is the symbol for an ammeter. (a) True (b) False
36. 36.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) many long-short pairs (c) triangle, bar and arrows (d) a circle with A inside
37. 37.True or false: a circle with A inside is the symbol for a battery. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) resistor (c) junction (d) motor
39. 39.True or false: many long-short pairs is the symbol for a switch. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) junction (b) battery (c) diode (d) resistor

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