Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 932 · 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 wire? (a) triangle, bar and arrows (b) one tall, one short bar (c) a small empty box (d) a straight line
2. 2.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with V inside (c) a straight line (d) a circle with M inside
3. 3.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to hide the circuit (c) quick and clear for all (d) to make it colourful
4. 4.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) capacitor (c) wire (d) junction
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) junction (c) resistor (d) wire
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) switch (b) voltmeter (c) battery (d) capacitor
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
8. 8.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) battery (c) LED (d) cell
9. 9.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a circle with A inside (c) a circle with a cross (d) a plain rectangle
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) cell (c) capacitor (d) bulb
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) switch (b) cell (c) capacitor (d) resistor
12. 12.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) one tall, one short bar (c) a long and a short line (d) a line lifted at a gap
13. 13.True or false: two equal parallel lines is the symbol for a resistor. (a) False (b) True
14. 14.True or false: a straight line is the symbol for a capacitor. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) bulb (c) battery (d) ammeter
16. 16.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
17. 17.Which drawing is the symbol for an LED? (a) two or more cell symbols (b) triangle, bar and arrows (c) a straight line (d) a dot where wires meet
18. 18.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) switch (c) cell (d) capacitor
19. 19.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) diode (c) battery (d) capacitor
21. 21.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
22. 22.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
23. 23.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
24. 24.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a dot where wires meet (c) a circle with an X in it (d) a plain rectangle
25. 25.True or false: triangle against a bar is the symbol for a cell. (a) False (b) True
26. 26.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) battery (c) LED (d) bulb
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) motor (c) switch (d) battery
29. 29.Which drawing is the symbol for a diode? (a) a circle with A inside (b) triangle against a bar (c) two equal parallel lines (d) a dot where wires meet
30. 30.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
31. 31.True or false: a circle with V inside is the symbol for a capacitor. (a) True (b) False
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
33. 33.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) a circle with an X in it (c) a line lifted at a gap (d) a circle with A inside
34. 34.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) LED (c) motor (d) resistor
36. 36.Which drawing is the symbol for a resistor? (a) a straight line (b) a line lifted at a gap (c) a small empty box (d) a circle with A inside
37. 37.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a small empty box (c) a line lifted at a gap (d) a circle with M inside
38. 38.Which drawing is the symbol for a junction? (a) a circle with an X in it (b) two equal parallel lines (c) one tall, one short bar (d) a dot where wires meet
39. 39.Which drawing is the symbol for a capacitor? (a) a straight line (b) two equal parallel lines (c) one tall, one short bar (d) a dot where wires meet
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) junction (b) wire (c) ammeter (d) bulb

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