Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 163 · 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 a dot where wires meet? (a) junction (b) capacitor (c) battery (d) bulb
2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) wire (c) bulb (d) switch
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) LED (b) bulb (c) cell (d) ammeter
4. 4.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
5. 5.True or false: triangle against a bar is the symbol for a cell. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) battery (c) resistor (d) ammeter
7. 7.True or false: a straight line is the symbol for a resistor. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) wire (c) capacitor (d) resistor
9. 9.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
10. 10.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
11. 11.Which drawing is the symbol for a switch? (a) a circle with an X in it (b) a line lifted at a gap (c) a circle with A inside (d) a plain rectangle
12. 12.Which drawing is the symbol for a junction? (a) a circle with V inside (b) two or more cell symbols (c) two equal parallel lines (d) a dot where wires meet
13. 13.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) ammeter (b) diode (c) resistor (d) bulb
14. 14.True or false: many long-short pairs is the symbol for a motor. (a) True (b) False
15. 15.True or false: one tall, one short bar is the symbol for a switch. (a) False (b) True
16. 16.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two equal parallel lines (c) a circle with a cross (d) a circle with A inside
17. 17.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
18. 18.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) wire (c) ammeter (d) battery
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) battery (c) ammeter (d) switch
20. 20.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) both lines (d) neither line
21. 21.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
22. 22.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with V inside (c) a plain rectangle (d) a circle with an X in it
23. 23.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) bulb (b) resistor (c) battery (d) junction
24. 24.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) motor (c) switch (d) cell
25. 25.Which drawing is the symbol for a motor? (a) a long and a short line (b) a circle with a cross (c) a small empty box (d) a circle with M inside
26. 26.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) switch (b) cell (c) resistor (d) battery
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) cell (c) ammeter (d) voltmeter
28. 28.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) many long-short pairs (c) a straight line (d) one tall, one short bar
29. 29.Which drawing is the symbol for a cell? (a) a circle with V inside (b) triangle against a bar (c) one tall, one short bar (d) a small empty box
30. 30.True or false: a dot where wires meet is the symbol for a wire. (a) False (b) True
31. 31.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) two equal parallel lines (c) a line lifted at a gap (d) a circle with A inside
32. 32.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
33. 33.True or false: a circle with an X in it is the symbol for a wire. (a) False (b) True
34. 34.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
35. 35.True or false: two equal parallel lines is the symbol for a voltmeter. (a) False (b) True
36. 36.True or false: a plain rectangle is the symbol for a diode. (a) False (b) True
37. 37.True or false: triangle against a bar is the symbol for a junction. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) switch (c) capacitor (d) wire
39. 39.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
40. 40.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True

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