Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 752 · 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.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) junction (c) battery (d) voltmeter
3. 3.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) LED (c) bulb (d) resistor
5. 5.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to hide the circuit (d) to make it colourful
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) capacitor (c) motor (d) switch
7. 7.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
8. 8.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
9. 9.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a line lifted at a gap (c) a long and a short line (d) a circle with A inside
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) LED (c) battery (d) bulb
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
12. 12.Which drawing is the symbol for a wire? (a) a circle with a cross (b) triangle against a bar (c) a circle with an X in it (d) a straight line
13. 13.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) diode (c) bulb (d) ammeter
15. 15.True or false: two or more cell symbols is the symbol for an LED. (a) True (b) False
16. 16.True or false: a small empty box is the symbol for a battery. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a circle with M inside (c) a long and a short line (d) two equal parallel lines
18. 18.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) LED (b) motor (c) junction (d) resistor
19. 19.Which drawing is the symbol for a diode? (a) a dot where wires meet (b) a plain rectangle (c) one tall, one short bar (d) triangle against a bar
20. 20.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) battery (c) wire (d) resistor
21. 21.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
22. 22.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a circle with an X in it (c) a circle with M inside (d) one tall, one short bar
23. 23.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) two or more cell symbols (c) a small empty box (d) a circle with an X in it
24. 24.Which drawing is the symbol for a resistor? (a) a small empty box (b) two equal parallel lines (c) a circle with V inside (d) two or more cell symbols
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) cell (c) LED (d) switch
26. 26.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) wire (c) voltmeter (d) resistor
27. 27.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) a dot where wires meet (c) a circle with a cross (d) one tall, one short bar
28. 28.Which drawing is the symbol for a voltmeter? (a) two equal parallel lines (b) two or more cell symbols (c) a circle with V inside (d) a long and a short line
29. 29.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) cell (c) battery (d) diode
30. 30.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with V inside (c) a dot where wires meet (d) a circle with a cross
31. 31.True or false: a straight line is the symbol for a diode. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) junction (c) switch (d) battery
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) resistor (b) switch (c) battery (d) bulb
34. 34.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) switch (c) cell (d) motor
35. 35.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) wire (b) LED (c) battery (d) switch
36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
37. 37.True or false: a straight line is the symbol for a wire. (a) False (b) True
38. 38.Which drawing is the symbol for a switch? (a) a plain rectangle (b) triangle, bar and arrows (c) two equal parallel lines (d) a line lifted at a gap
39. 39.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
40. 40.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars

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