Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 531 · 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 inside? (a) switch (b) battery (c) motor (d) ammeter
2. 2.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) triangle against a bar (c) a small empty box (d) a circle with A inside
3. 3.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) motor (c) ammeter (d) wire
5. 5.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
6. 6.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a line lifted at a gap (c) a plain rectangle (d) a straight line
7. 7.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) two equal parallel lines (c) a circle with a cross (d) triangle against a bar
8. 8.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
9. 9.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) junction (d) cell
11. 11.Which drawing is the symbol for a wire? (a) a small empty box (b) a straight line (c) two equal parallel lines (d) a plain rectangle
12. 12.Which drawing is the symbol for a cell? (a) a plain rectangle (b) many long-short pairs (c) one tall, one short bar (d) two or more cell symbols
13. 13.Which drawing is the symbol for an LED? (a) a small empty box (b) a circle with a cross (c) a straight line (d) triangle, bar and arrows
14. 14.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
15. 15.True or false: a straight line is the symbol for a wire. (a) False (b) True
16. 16.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with A inside (c) two or more cell symbols (d) a circle with a cross
17. 17.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) bulb (c) cell (d) resistor
18. 18.True or false: many long-short pairs is the symbol for a switch. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) battery (c) cell (d) diode
20. 20.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) one tall, one short bar (c) triangle, bar and arrows (d) a circle with V inside
21. 21.Which drawing is the symbol for a switch? (a) a small empty box (b) a long and a short line (c) a line lifted at a gap (d) two or more cell symbols
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) wire (d) voltmeter
23. 23.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with an X in it (c) many long-short pairs (d) a plain rectangle
24. 24.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) a plain rectangle (c) a straight line (d) two equal parallel lines
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) cell (c) resistor (d) bulb
26. 26.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
27. 27.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
28. 28.True or false: two equal parallel lines is the symbol for a motor. (a) False (b) True
29. 29.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
30. 30.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) neither line (d) the shorter line
31. 31.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) voltmeter (b) diode (c) battery (d) junction
32. 32.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) capacitor (c) battery (d) diode
34. 34.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) a line lifted at a gap (c) a circle with a cross (d) a small empty box
35. 35.True or false: a plain rectangle is the symbol for a voltmeter. (a) True (b) False
36. 36.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
37. 37.True or false: a long and a short line is the symbol for a voltmeter. (a) False (b) True
38. 38.True or false: a straight line is the symbol for a motor. (a) False (b) True
39. 39.True or false: a long and a short line is the symbol for a diode. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) LED (d) cell

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