Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 55 · 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 triangle against a bar? (a) cell (b) diode (c) ammeter (d) resistor
2. 2.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) two or more cell symbols (c) many long-short pairs (d) a straight line
3. 3.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
5. 5.True or false: a straight line is the symbol for an LED. (a) True (b) False
6. 6.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) many long-short pairs (c) triangle, bar and arrows (d) two equal parallel lines
7. 7.✏️ 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
8. 8.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) a plain rectangle (c) a circle with V inside (d) many long-short pairs
9. 9.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) motor (c) junction (d) capacitor
10. 10.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a dot where wires meet (c) triangle against a bar (d) a circle with A inside
11. 11.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
12. 12.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
13. 13.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
14. 14.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) motor (b) bulb (c) switch (d) wire
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) junction (b) switch (c) resistor (d) voltmeter
17. 17.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) ammeter (c) voltmeter (d) resistor
18. 18.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) switch (d) capacitor
19. 19.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a circle with A inside (c) a straight line (d) two equal parallel lines
20. 20.True or false: many long-short pairs is the symbol for a resistor. (a) True (b) False
21. 21.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
22. 22.True or false: a small empty box is the symbol for a junction. (a) True (b) False
23. 23.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) wire (c) cell (d) junction
25. 25.Which drawing is the symbol for a battery? (a) a plain rectangle (b) many long-short pairs (c) one tall, one short bar (d) a circle with V inside
26. 26.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) LED (c) resistor (d) motor
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) bulb (c) resistor (d) battery
28. 28.Which drawing is the symbol for a diode? (a) two equal parallel lines (b) triangle against a bar (c) a dot where wires meet (d) two or more cell symbols
29. 29.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a dot where wires meet (c) a circle with an X in it (d) a long and a short line
30. 30.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) voltmeter (c) cell (d) battery
31. 31.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a straight line (c) a plain rectangle (d) a long and a short line
32. 32.Which drawing is the symbol for a bulb? (a) a plain rectangle (b) a straight line (c) a circle with a cross (d) many long-short pairs
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) straight lines (d) little stars
35. 35.True or false: a plain rectangle is the symbol for a battery. (a) True (b) False
36. 36.True or false: a dot where wires meet is the symbol for a switch. (a) True (b) False
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) resistor (b) motor (c) ammeter (d) cell
38. 38.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) one tall, one short bar (c) many long-short pairs (d) a small empty box
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) wire (c) junction (d) voltmeter
40. 40.True or false: a circle with a cross is the symbol for a cell. (a) False (b) True

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