Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 315 · 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: a circle with an X in it is the symbol for a bulb. (a) False (b) True
2. 2.Which drawing is the symbol for a voltmeter? (a) a plain rectangle (b) two or more cell symbols (c) a circle with V inside (d) a circle with M inside
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) wire (c) switch (d) resistor
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) neither line (c) the shorter line (d) the longer line
5. 5.True or false: a circle with M inside is the symbol for a battery. (a) False (b) True
6. 6.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
7. 7.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
8. 8.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) cell (c) junction (d) capacitor
9. 9.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) two or more cell symbols (c) triangle against a bar (d) a straight line
10. 10.Which drawing is the symbol for a motor? (a) triangle against a bar (b) a small empty box (c) two equal parallel lines (d) a circle with M inside
11. 11.Which drawing is the symbol for an LED? (a) a circle with M inside (b) a circle with A inside (c) two equal parallel lines (d) triangle, bar and arrows
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) ammeter (b) junction (c) voltmeter (d) motor
14. 14.Which drawing is the symbol for a battery? (a) a straight line (b) many long-short pairs (c) one tall, one short bar (d) a circle with V inside
15. 15.Which drawing is the symbol for an ammeter? (a) a line lifted at a gap (b) a circle with V inside (c) a circle with A inside (d) many long-short pairs
16. 16.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) LED (c) ammeter (d) bulb
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) junction (c) voltmeter (d) ammeter
18. 18.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with an X in it (c) two equal parallel lines (d) a line lifted at a gap
19. 19.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) ammeter (b) switch (c) capacitor (d) cell
20. 20.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) wire (c) switch (d) voltmeter
21. 21.True or false: triangle against a bar is the symbol for a wire. (a) False (b) True
22. 22.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a long and a short line (c) a plain rectangle (d) triangle, bar and arrows
23. 23.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) ammeter (b) junction (c) switch (d) resistor
24. 24.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) capacitor (c) resistor (d) diode
25. 25.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
26. 26.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
27. 27.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
28. 28.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) junction (d) diode
29. 29.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) switch (c) wire (d) diode
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) cell (c) capacitor (d) bulb
31. 31.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) diode (c) LED (d) resistor
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.True or false: a straight line is the symbol for a motor. (a) False (b) True
35. 35.True or false: a small empty box is the symbol for a motor. (a) False (b) True
36. 36.True or false: a circle with an X in it is the symbol for a motor. (a) False (b) True
37. 37.True or false: a circle with A inside is the symbol for a bulb. (a) True (b) False
38. 38.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with A inside (c) a circle with an X in it (d) many long-short pairs
39. 39.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
40. 40.True or false: a circle with A inside is the symbol for a capacitor. (a) False (b) True

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