Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 622 · 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 junction? (a) a circle with V inside (b) many long-short pairs (c) a dot where wires meet (d) a circle with A inside
2. 2.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) voltmeter (c) switch (d) battery
3. 3.Which drawing is the symbol for a wire? (a) triangle, bar and arrows (b) a circle with an X in it (c) a line lifted at a gap (d) a straight line
4. 4.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
5. 5.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) a circle with A inside (c) triangle against a bar (d) two or more cell symbols
6. 6.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
7. 7.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
8. 8.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
9. 9.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) many long-short pairs (c) two equal parallel lines (d) a line lifted at a gap
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) voltmeter (c) ammeter (d) cell
11. 11.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) cell (b) switch (c) resistor (d) wire
13. 13.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) straight lines (c) dotted circles (d) wavy lines
14. 14.True or false: a small empty box is the symbol for an ammeter. (a) True (b) False
15. 15.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) capacitor (c) battery (d) diode
17. 17.True or false: a circle with A inside is the symbol for a diode. (a) False (b) True
18. 18.Which drawing is the symbol for a battery? (a) a straight line (b) triangle against a bar (c) a circle with an X in it (d) two or more cell symbols
19. 19.True or false: a circle with a cross is the symbol for a cell. (a) True (b) False
20. 20.Which drawing is the symbol for a battery? (a) a circle with V inside (b) many long-short pairs (c) triangle against a bar (d) a plain rectangle
21. 21.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
22. 22.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) motor (c) junction (d) resistor
24. 24.Which drawing is the symbol for a motor? (a) one tall, one short bar (b) a circle with an X in it (c) a circle with M inside (d) many long-short pairs
25. 25.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) battery (b) capacitor (c) LED (d) resistor
26. 26.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) diode (c) bulb (d) resistor
28. 28.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
29. 29.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a circle with M inside (c) a plain rectangle (d) a small empty box
30. 30.True or false: a straight line is the symbol for a junction. (a) False (b) True
31. 31.True or false: triangle against a bar is the symbol for a switch. (a) False (b) True
32. 32.True or false: a long and a short line is the symbol for a voltmeter. (a) True (b) False
33. 33.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) ammeter (c) battery (d) resistor
34. 34.True or false: a circle with M inside is the symbol for a battery. (a) True (b) False
35. 35.True or false: one tall, one short bar is the symbol for a motor. (a) True (b) False
36. 36.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
37. 37.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
38. 38.Which drawing is the symbol for a voltmeter? (a) triangle against a bar (b) a circle with V inside (c) a small empty box (d) a circle with an X in it
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) motor (c) capacitor (d) ammeter
40. 40.Which drawing is the symbol for an LED? (a) triangle against a bar (b) a plain rectangle (c) a circle with A inside (d) triangle, bar and arrows

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