Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 952 · 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 one tall, one short bar? (a) cell (b) voltmeter (c) wire (d) battery
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) resistor (c) ammeter (d) bulb
3. 3.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) voltmeter (c) cell (d) LED
4. 4.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with an X in it (c) one tall, one short bar (d) triangle, bar and arrows
5. 5.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) motor (d) battery
6. 6.Which drawing is the symbol for an ammeter? (a) a long and a short line (b) a circle with A inside (c) many long-short pairs (d) a plain rectangle
7. 7.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) a circle with V inside (c) a small empty box (d) a straight line
8. 8.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
9. 9.Which drawing is the symbol for a battery? (a) a long and a short line (b) triangle, bar and arrows (c) two or more cell symbols (d) one tall, one short bar
10. 10.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) motor (c) battery (d) LED
11. 11.Which drawing is the symbol for a wire? (a) a circle with an X in it (b) many long-short pairs (c) a straight line (d) a dot where wires meet
12. 12.✏️ 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
13. 13.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
14. 14.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
15. 15.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) motor (c) capacitor (d) resistor
16. 16.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) battery (d) LED
17. 17.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
18. 18.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
19. 19.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
20. 20.True or false: two or more cell symbols is the symbol for a capacitor. (a) True (b) False
21. 21.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
22. 22.Which drawing is the symbol for a switch? (a) a small empty box (b) one tall, one short bar (c) a circle with an X in it (d) a line lifted at a gap
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) resistor (c) capacitor (d) bulb
24. 24.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a plain rectangle (c) one tall, one short bar (d) a small empty box
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) resistor (c) bulb (d) battery
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) switch (d) diode
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) motor (c) junction (d) voltmeter
28. 28.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
29. 29.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False
30. 30.Which drawing is the symbol for an LED? (a) triangle against a bar (b) triangle, bar and arrows (c) two equal parallel lines (d) one tall, one short bar
31. 31.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) one tall, one short bar (c) a dot where wires meet (d) a circle with V inside
32. 32.True or false: a circle with an X in it is the symbol for a wire. (a) False (b) True
33. 33.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a dot where wires meet (c) triangle against a bar (d) a circle with a cross
34. 34.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
35. 35.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
36. 36.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
37. 37.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) triangle against a bar (c) a long and a short line (d) two equal parallel lines
38. 38.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) LED (c) voltmeter (d) battery
39. 39.Which drawing is the symbol for a capacitor? (a) a small empty box (b) triangle, bar and arrows (c) two or more cell symbols (d) two equal parallel lines
40. 40.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True

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