Electronics Worksheet: Circuit Symbols

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

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