Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 988 · 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 cross? (a) ammeter (b) switch (c) bulb (d) capacitor
2. 2.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) battery (b) voltmeter (c) ammeter (d) bulb
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
5. 5.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) a line lifted at a gap (c) a small empty box (d) triangle against a bar
6. 6.Which drawing is the symbol for a bulb? (a) a straight line (b) many long-short pairs (c) a circle with a cross (d) triangle against a bar
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) battery (c) diode (d) motor
8. 8.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) resistor (c) LED (d) battery
9. 9.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) a line lifted at a gap (c) two equal parallel lines (d) a circle with A inside
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) diode (c) bulb (d) motor
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) LED (c) voltmeter (d) diode
12. 12.Which drawing is the symbol for a battery? (a) many long-short pairs (b) one tall, one short bar (c) a circle with a cross (d) a long and a short line
13. 13.Which drawing is the symbol for an ammeter? (a) many long-short pairs (b) a straight line (c) a dot where wires meet (d) a circle with A inside
14. 14.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) LED (b) motor (c) resistor (d) switch
15. 15.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the longer line (d) the shorter line
16. 16.True or false: triangle, bar and arrows is the symbol for an ammeter. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) battery (c) diode (d) resistor
18. 18.Which drawing is the symbol for a diode? (a) a circle with a cross (b) a long and a short line (c) triangle against a bar (d) many long-short pairs
19. 19.True or false: a plain rectangle is the symbol for an ammeter. (a) True (b) False
20. 20.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
21. 21.Which drawing is the symbol for a cell? (a) two equal parallel lines (b) a circle with M inside (c) a dot where wires meet (d) a long and a short line
22. 22.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) junction (d) bulb
23. 23.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
24. 24.True or false: a small empty box is the symbol for a switch. (a) False (b) True
25. 25.True or false: a straight line is the symbol for a diode. (a) False (b) True
26. 26.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) one tall, one short bar (c) a circle with a cross (d) a circle with A inside
27. 27.True or false: a small empty box is the symbol for a junction. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) LED (c) capacitor (d) motor
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) wire (c) junction (d) battery
30. 30.True or false: a circle with M inside is the symbol for a resistor. (a) False (b) True
31. 31.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a straight line (c) a line lifted at a gap (d) a circle with A inside
32. 32.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
33. 33.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
34. 34.True or false: a circle with M inside is the symbol for a voltmeter. (a) False (b) True
35. 35.True or false: a circle with V inside is the symbol for an LED. (a) False (b) True
36. 36.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) battery (c) junction (d) LED
37. 37.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) resistor (c) cell (d) diode
38. 38.Which drawing is the symbol for a resistor? (a) a plain rectangle (b) a line lifted at a gap (c) triangle against a bar (d) a dot where wires meet
39. 39.True or false: one tall, one short bar is the symbol for a wire. (a) False (b) True
40. 40.True or false: triangle, bar and arrows is the symbol for a wire. (a) True (b) False

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