Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 260 · 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 resistor? (a) a plain rectangle (b) a dot where wires meet (c) two equal parallel lines (d) a circle with an X in it
2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) resistor (c) wire (d) switch
3. 3.Which drawing is the symbol for a wire? (a) a circle with a cross (b) a straight line (c) a circle with A inside (d) a circle with an X in it
4. 4.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a small empty box (c) one tall, one short bar (d) a circle with an X in it
5. 5.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
6. 6.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
7. 7.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) to make it colourful (d) quick and clear for all
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
9. 9.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
10. 10.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a long and a short line (c) many long-short pairs (d) a dot where wires meet
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) bulb (c) capacitor (d) diode
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) battery (c) capacitor (d) ammeter
14. 14.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a dot where wires meet (c) a circle with A inside (d) a circle with an X in it
15. 15.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) one tall, one short bar (c) a line lifted at a gap (d) many long-short pairs
16. 16.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) triangle against a bar (c) one tall, one short bar (d) many long-short pairs
17. 17.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
18. 18.True or false: a circle with a cross is the symbol for a motor. (a) True (b) False
19. 19.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) ammeter (b) resistor (c) battery (d) cell
20. 20.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with an X in it (c) two or more cell symbols (d) a straight line
21. 21.Which drawing is the symbol for a capacitor? (a) a plain rectangle (b) two equal parallel lines (c) a circle with a cross (d) a small empty box
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) cell (c) diode (d) voltmeter
23. 23.True or false: two equal parallel lines is the symbol for a wire. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) battery (c) diode (d) resistor
25. 25.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
26. 26.True or false: a circle with an X in it is the symbol for a switch. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a circle with a cross (c) a line lifted at a gap (d) one tall, one short bar
28. 28.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
29. 29.Which drawing is the symbol for a battery? (a) a circle with V inside (b) a plain rectangle (c) two or more cell symbols (d) a circle with an X in it
30. 30.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) voltmeter (c) resistor (d) bulb
31. 31.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) resistor (c) battery (d) diode
33. 33.Which drawing is the symbol for an LED? (a) a circle with V inside (b) a circle with a cross (c) triangle against a bar (d) triangle, bar and arrows
34. 34.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) junction (c) bulb (d) ammeter
35. 35.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) cell (c) ammeter (d) wire
36. 36.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
37. 37.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) triangle, bar and arrows (c) a circle with M inside (d) a circle with V inside
38. 38.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
39. 39.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
40. 40.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True

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