Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 162 · 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 switch? (a) triangle, bar and arrows (b) a long and a short line (c) a line lifted at a gap (d) a small empty box
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) resistor (c) motor (d) battery
3. 3.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) one tall, one short bar
4. 4.True or false: a circle with M inside is the symbol for a junction. (a) False (b) True
5. 5.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
6. 6.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) quick and clear for all (d) to hide the circuit
7. 7.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a circle with M inside (c) two or more cell symbols (d) a small empty box
8. 8.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a small empty box (c) many long-short pairs (d) a circle with A inside
9. 9.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
10. 10.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
12. 12.Which drawing is the symbol for a cell? (a) a straight line (b) a small empty box (c) a circle with A inside (d) one tall, one short bar
13. 13.Which drawing is the symbol for a battery? (a) a small empty box (b) two equal parallel lines (c) many long-short pairs (d) a circle with an X in it
14. 14.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) cell (c) ammeter (d) battery
16. 16.True or false: a line lifted at a gap is the symbol for a bulb. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) voltmeter (c) switch (d) cell
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) capacitor (d) bulb
19. 19.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) motor (c) ammeter (d) LED
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) battery (c) switch (d) voltmeter
21. 21.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
22. 22.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
23. 23.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) a circle with A inside (c) two or more cell symbols (d) a circle with a cross
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) junction (c) voltmeter (d) bulb
25. 25.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
26. 26.Which drawing is the symbol for a resistor? (a) a straight line (b) a long and a short line (c) a plain rectangle (d) many long-short pairs
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) switch (c) resistor (d) battery
28. 28.Which drawing is the symbol for a wire? (a) two equal parallel lines (b) a straight line (c) a circle with a cross (d) a circle with an X in it
29. 29.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) cell (d) resistor
30. 30.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a long and a short line (c) many long-short pairs (d) a circle with an X in it
31. 31.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) voltmeter (c) switch (d) cell
32. 32.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
33. 33.Which drawing is the symbol for a diode? (a) one tall, one short bar (b) a circle with M inside (c) triangle against a bar (d) a circle with A inside
34. 34.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
35. 35.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
36. 36.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
37. 37.Which drawing is the symbol for a battery? (a) a straight line (b) a dot where wires meet (c) one tall, one short bar (d) two or more cell symbols
38. 38.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) diode (b) bulb (c) switch (d) motor
40. 40.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True

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