Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 392 · 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.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) two equal parallel lines (c) a dot where wires meet (d) two or more cell symbols
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) neither line (d) both lines
3. 3.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) resistor (c) bulb (d) cell
4. 4.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) junction (b) LED (c) ammeter (d) capacitor
5. 5.Which drawing is the symbol for a motor? (a) a circle with M inside (b) a long and a short line (c) a circle with A inside (d) a circle with a cross
6. 6.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a straight line? (a) ammeter (b) capacitor (c) voltmeter (d) wire
8. 8.True or false: a circle with A inside is the symbol for an LED. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) bulb (c) resistor (d) diode
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) cell (b) bulb (c) motor (d) ammeter
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) voltmeter (c) capacitor (d) ammeter
12. 12.Which drawing is the symbol for a capacitor? (a) a circle with M inside (b) two equal parallel lines (c) many long-short pairs (d) a circle with an X in it
13. 13.True or false: a circle with an X in it is the symbol for a resistor. (a) True (b) False
14. 14.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two or more cell symbols (c) a dot where wires meet (d) a circle with M inside
15. 15.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) resistor (c) bulb (d) ammeter
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
17. 17.True or false: a circle with A inside is the symbol for a battery. (a) True (b) False
18. 18.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False
19. 19.Which drawing is the symbol for a wire? (a) triangle against a bar (b) one tall, one short bar (c) a dot where wires meet (d) a straight line
20. 20.True or false: one tall, one short bar is the symbol for a junction. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) LED (c) wire (d) ammeter
22. 22.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) symbols are heavier (d) to hide the circuit
23. 23.True or false: a small empty box is the symbol for a switch. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) voltmeter (c) motor (d) bulb
25. 25.Which drawing is the symbol for a switch? (a) two equal parallel lines (b) a line lifted at a gap (c) a circle with A inside (d) many long-short pairs
26. 26.True or false: a circle with V inside is the symbol for a resistor. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) capacitor (b) battery (c) cell (d) diode
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) wire (c) cell (d) motor
29. 29.Which drawing is the symbol for a battery? (a) a long and a short line (b) many long-short pairs (c) a line lifted at a gap (d) triangle against a bar
30. 30.True or false: triangle against a bar is the symbol for an ammeter. (a) False (b) True
31. 31.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) wire (d) battery
33. 33.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) ammeter (c) cell (d) resistor
34. 34.True or false: a circle with A inside is the symbol for a capacitor. (a) True (b) False
35. 35.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
36. 36.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a plain rectangle (c) triangle, bar and arrows (d) two or more cell symbols
37. 37.Which drawing is the symbol for a cell? (a) triangle, bar and arrows (b) many long-short pairs (c) one tall, one short bar (d) a dot where wires meet
38. 38.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) wire (b) bulb (c) resistor (d) ammeter
39. 39.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) one tall, one short bar (c) a circle with M inside (d) a circle with a cross
40. 40.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True

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