Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 168 · 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.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
2. 2.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) resistor (c) wire (d) cell
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
4. 4.True or false: a circle with a cross is the symbol for a wire. (a) False (b) True
5. 5.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
6. 6.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) wire (c) battery (d) capacitor
7. 7.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
8. 8.Which drawing is the symbol for a battery? (a) a circle with M inside (b) a circle with A inside (c) a dot where wires meet (d) two or more cell symbols
9. 9.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) bulb (b) voltmeter (c) LED (d) switch
10. 10.Which drawing is the symbol for a resistor? (a) a circle with M inside (b) two or more cell symbols (c) a small empty box (d) a dot where wires meet
11. 11.Which drawing is the symbol for a bulb? (a) a small empty box (b) two or more cell symbols (c) one tall, one short bar (d) a circle with an X in it
12. 12.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) triangle against a bar (c) one tall, one short bar (d) a circle with an X in it
13. 13.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) a circle with A inside (c) a line lifted at a gap (d) two equal parallel lines
14. 14.Which drawing is the symbol for a battery? (a) many long-short pairs (b) one tall, one short bar (c) a circle with V inside (d) a line lifted at a gap
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) resistor (c) ammeter (d) capacitor
16. 16.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) battery (c) wire (d) voltmeter
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) junction (b) resistor (c) bulb (d) capacitor
19. 19.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) cell (c) switch (d) bulb
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) wire (c) resistor (d) motor
21. 21.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) two equal parallel lines (c) a circle with an X in it (d) many long-short pairs
22. 22.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) ammeter (c) voltmeter (d) diode
23. 23.Which drawing is the symbol for a motor? (a) a small empty box (b) two or more cell symbols (c) a circle with V inside (d) a circle with M inside
24. 24.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) wire (b) diode (c) battery (d) resistor
25. 25.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
26. 26.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
27. 27.Which drawing is the symbol for a diode? (a) a long and a short line (b) a dot where wires meet (c) triangle against a bar (d) one tall, one short bar
28. 28.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
29. 29.True or false: triangle, bar and arrows is the symbol for a wire. (a) True (b) False
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 resistor? (a) a long and a short line (b) a plain rectangle (c) many long-short pairs (d) triangle against a bar
32. 32.Which drawing is the symbol for a junction? (a) a long and a short line (b) a circle with an X in it (c) one tall, one short bar (d) a dot where wires meet
33. 33.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) one tall, one short bar (c) a line lifted at a gap (d) a circle with a cross
34. 34.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) bulb (c) wire (d) motor
35. 35.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
36. 36.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) a dot where wires meet (c) a straight line (d) two or more cell symbols
37. 37.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) ammeter (c) cell (d) LED
38. 38.Which drawing is the symbol for a capacitor? (a) a dot where wires meet (b) a plain rectangle (c) two equal parallel lines (d) one tall, one short bar
39. 39.True or false: a long and a short line is the symbol for a wire. (a) True (b) False
40. 40.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False

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