Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 865 · 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 cell? (a) one tall, one short bar (b) two or more cell symbols (c) a line lifted at a gap (d) a straight line
2. 2.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) LED (c) diode (d) ammeter
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
4. 4.True or false: two equal parallel lines is the symbol for a motor. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) resistor (c) battery (d) LED
6. 6.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
7. 7.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) junction (c) motor (d) diode
9. 9.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a circle with M inside (c) one tall, one short bar (d) a small empty box
10. 10.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a dot where wires meet (c) a long and a short line (d) a circle with M inside
11. 11.True or false: one tall, one short bar is the symbol for a battery. (a) False (b) True
12. 12.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a straight line (c) a circle with A inside (d) one tall, one short bar
13. 13.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) switch (b) cell (c) bulb (d) voltmeter
14. 14.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) little stars (d) dotted circles
15. 15.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) cell (c) switch (d) motor
16. 16.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
17. 17.True or false: a dot where wires meet is the symbol for a capacitor. (a) False (b) True
18. 18.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) triangle against a bar (c) many long-short pairs (d) a circle with V inside
19. 19.✏️ 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
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) motor (b) capacitor (c) voltmeter (d) resistor
21. 21.✏️ In a circuit diagram, which part is drawn as a straight line? (a) LED (b) battery (c) resistor (d) wire
22. 22.True or false: a line lifted at a gap is the symbol for a junction. (a) False (b) True
23. 23.Which drawing is the symbol for a capacitor? (a) triangle, bar and arrows (b) two or more cell symbols (c) two equal parallel lines (d) a plain rectangle
24. 24.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) battery (c) junction (d) switch
25. 25.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) motor (c) voltmeter (d) battery
26. 26.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
27. 27.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) many long-short pairs (c) a long and a short line (d) a circle with M inside
28. 28.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) motor (c) ammeter (d) switch
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
31. 31.Which drawing is the symbol for an LED? (a) a straight line (b) one tall, one short bar (c) a circle with an X in it (d) triangle, bar and arrows
32. 32.Which drawing is the symbol for a battery? (a) a circle with M inside (b) two equal parallel lines (c) a circle with V inside (d) many long-short pairs
33. 33.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
34. 34.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with V inside (c) a circle with a cross (d) triangle against a bar
35. 35.True or false: two or more cell symbols is the symbol for an ammeter. (a) True (b) False
36. 36.Which drawing is the symbol for a junction? (a) a straight line (b) a small empty box (c) a long and a short line (d) a dot where wires meet
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) LED (c) motor (d) bulb
38. 38.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) LED (c) switch (d) junction
39. 39.True or false: a plain rectangle is the symbol for a cell. (a) True (b) False
40. 40.True or false: a long and a short line is the symbol for an LED. (a) True (b) False

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