Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 846 · 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 line lifted at a gap? (a) junction (b) cell (c) switch (d) resistor
2. 2.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) two or more cell symbols (c) a circle with a cross (d) triangle, bar and arrows
3. 3.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) diode (c) cell (d) LED
4. 4.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) LED (c) battery (d) bulb
6. 6.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
7. 7.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True
8. 8.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) motor (d) junction
9. 9.Which drawing is the symbol for a diode? (a) a straight line (b) triangle against a bar (c) a plain rectangle (d) many long-short pairs
10. 10.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) junction (d) capacitor
12. 12.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) ammeter (c) motor (d) cell
13. 13.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
14. 14.Which drawing is the symbol for a switch? (a) many long-short pairs (b) triangle, bar and arrows (c) a circle with M inside (d) a line lifted at a gap
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) battery (c) resistor (d) capacitor
16. 16.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
17. 17.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a dot where wires meet (c) a circle with A inside (d) a circle with M inside
18. 18.True or false: a straight line is the symbol for a junction. (a) False (b) True
19. 19.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) bulb (c) battery (d) resistor
20. 20.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) LED (b) cell (c) diode (d) voltmeter
21. 21.Which drawing is the symbol for a junction? (a) two equal parallel lines (b) a plain rectangle (c) a circle with an X in it (d) a dot where wires meet
22. 22.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
23. 23.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
24. 24.True or false: a circle with A inside is the symbol for a switch. (a) False (b) True
25. 25.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) ammeter (c) battery (d) motor
27. 27.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a small empty box (c) many long-short pairs (d) a dot where wires meet
28. 28.True or false: a straight line is the symbol for a wire. (a) False (b) True
29. 29.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
30. 30.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
31. 31.True or false: a circle with an X in it is the symbol for a cell. (a) False (b) True
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
33. 33.Which drawing is the symbol for a resistor? (a) a line lifted at a gap (b) one tall, one short bar (c) a circle with A inside (d) a plain rectangle
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) LED (b) cell (c) resistor (d) ammeter
35. 35.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) many long-short pairs (c) a small empty box (d) a circle with V inside
36. 36.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a circle with V inside (c) two or more cell symbols (d) one tall, one short bar
37. 37.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
38. 38.Which drawing is the symbol for a battery? (a) a plain rectangle (b) one tall, one short bar (c) two or more cell symbols (d) triangle against a bar
39. 39.True or false: a line lifted at a gap is the symbol for a bulb. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) battery (c) diode (d) capacitor

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