Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 840 · 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, wires are usually drawn as … (a) straight lines (b) dotted circles (c) wavy lines (d) little stars
2. 2.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
3. 3.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) a circle with a cross (c) a circle with V inside (d) one tall, one short bar
4. 4.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) LED (c) cell (d) capacitor
6. 6.Which drawing is the symbol for a diode? (a) a circle with A inside (b) many long-short pairs (c) triangle against a bar (d) a circle with a cross
7. 7.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) one tall, one short bar (c) a circle with M inside (d) a circle with V inside
8. 8.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a line lifted at a gap (c) two or more cell symbols (d) a long and a short line
9. 9.True or false: a dot where wires meet is the symbol for an LED. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) cell (c) battery (d) capacitor
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
12. 12.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with a cross (c) a circle with V inside (d) a dot where wires meet
13. 13.True or false: a line lifted at a gap is the symbol for an ammeter. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) junction (c) switch (d) ammeter
15. 15.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
16. 16.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a circle with A inside (c) a line lifted at a gap (d) many long-short pairs
17. 17.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two equal parallel lines (c) one tall, one short bar (d) triangle against a bar
18. 18.Which drawing is the symbol for a motor? (a) triangle, bar and arrows (b) a circle with V inside (c) two or more cell symbols (d) a circle with M inside
19. 19.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) bulb (c) motor (d) junction
20. 20.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) two or more cell symbols (c) a long and a short line (d) a plain rectangle
21. 21.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) battery (c) diode (d) cell
22. 22.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
23. 23.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) a small empty box (c) a circle with a cross (d) two equal parallel lines
24. 24.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
25. 25.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a long and a short line (c) one tall, one short bar (d) a straight line
26. 26.True or false: a circle with an X in it is the symbol for a resistor. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) cell (c) capacitor (d) resistor
28. 28.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
29. 29.Which drawing is the symbol for a cell? (a) a circle with A inside (b) many long-short pairs (c) a circle with an X in it (d) a long and a short line
30. 30.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
31. 31.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) one tall, one short bar (c) a circle with a cross (d) a dot where wires meet
32. 32.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) bulb (c) diode (d) resistor
33. 33.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with M inside (c) two equal parallel lines (d) a circle with a cross
34. 34.True or false: a straight line is the symbol for a wire. (a) False (b) True
35. 35.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) a circle with a cross (c) two equal parallel lines (d) triangle against a bar
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) cell (c) motor (d) bulb
37. 37.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) wire (b) motor (c) switch (d) bulb
39. 39.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) voltmeter (b) junction (c) LED (d) diode
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) battery (c) wire (d) voltmeter

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