Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 532 · 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 circle with A inside? (a) ammeter (b) LED (c) junction (d) diode
2. 2.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) bulb (b) motor (c) diode (d) capacitor
3. 3.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with V inside (c) a circle with an X in it (d) a plain rectangle
4. 4.Which drawing is the symbol for a resistor? (a) a small empty box (b) two equal parallel lines (c) many long-short pairs (d) a circle with V inside
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) junction (b) battery (c) voltmeter (d) diode
6. 6.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) cell (c) motor (d) battery
7. 7.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
8. 8.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) capacitor (c) diode (d) bulb
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) bulb (c) ammeter (d) diode
10. 10.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
11. 11.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two or more cell symbols (c) a circle with a cross (d) a long and a short line
12. 12.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
13. 13.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) many long-short pairs (c) a circle with V inside (d) a circle with an X in it
14. 14.Which drawing is the symbol for an LED? (a) a circle with V inside (b) one tall, one short bar (c) triangle, bar and arrows (d) many long-short pairs
15. 15.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) bulb (c) cell (d) resistor
16. 16.Which drawing is the symbol for a diode? (a) many long-short pairs (b) triangle against a bar (c) a straight line (d) two or more cell symbols
17. 17.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a circle with A inside (c) two equal parallel lines (d) a plain rectangle
18. 18.True or false: a straight line is the symbol for a bulb. (a) True (b) False
19. 19.True or false: many long-short pairs is the symbol for a resistor. (a) False (b) True
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) battery (b) capacitor (c) resistor (d) voltmeter
21. 21.Which drawing is the symbol for a motor? (a) a circle with V inside (b) a small empty box (c) a circle with M inside (d) triangle against a bar
22. 22.True or false: a dot where wires meet is the symbol for a motor. (a) False (b) True
23. 23.Which drawing is the symbol for a bulb? (a) a long and a short line (b) triangle against a bar (c) a circle with a cross (d) a circle with V inside
24. 24.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) straight lines (d) little stars
25. 25.Which drawing is the symbol for a junction? (a) a long and a short line (b) a circle with a cross (c) triangle, bar and arrows (d) a dot where wires meet
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) junction (b) motor (c) bulb (d) resistor
27. 27.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
28. 28.True or false: a straight line is the symbol for a wire. (a) False (b) True
29. 29.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a circle with a cross (c) a plain rectangle (d) two or more cell symbols
30. 30.Which drawing is the symbol for a battery? (a) a long and a short line (b) triangle, bar and arrows (c) many long-short pairs (d) a line lifted at a gap
31. 31.True or false: triangle against a bar is the symbol for a bulb. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a straight line? (a) motor (b) resistor (c) bulb (d) wire
33. 33.True or false: a plain rectangle is the symbol for an LED. (a) True (b) False
34. 34.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with A inside (c) a straight line (d) two equal parallel lines
35. 35.True or false: a plain rectangle is the symbol for a voltmeter. (a) True (b) False
36. 36.True or false: one tall, one short bar is the symbol for an ammeter. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) junction (c) cell (d) voltmeter
38. 38.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
39. 39.True or false: a plain rectangle is the symbol for a junction. (a) True (b) False
40. 40.Which drawing is the symbol for a switch? (a) triangle, bar and arrows (b) a line lifted at a gap (c) two or more cell symbols (d) many long-short pairs

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