Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 818 · 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 triangle against a bar? (a) diode (b) ammeter (c) voltmeter (d) junction
2. 2.True or false: a circle with M inside is the symbol for a cell. (a) True (b) False
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) both lines (d) the shorter line
4. 4.Which drawing is the symbol for a bulb? (a) a circle with M inside (b) one tall, one short bar (c) a straight line (d) a circle with a cross
5. 5.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) switch (c) resistor (d) battery
6. 6.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with a cross (c) two or more cell symbols (d) one tall, one short bar
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) battery (c) bulb (d) voltmeter
8. 8.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
9. 9.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
10. 10.Which drawing is the symbol for a switch? (a) a circle with A inside (b) a plain rectangle (c) a straight line (d) a line lifted at a gap
11. 11.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
12. 12.True or false: a small empty box is the symbol for a junction. (a) False (b) True
13. 13.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
14. 14.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
15. 15.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 V inside
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) LED (c) cell (d) switch
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) ammeter (b) voltmeter (c) bulb (d) battery
18. 18.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) bulb (c) resistor (d) capacitor
19. 19.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) bulb (c) battery (d) motor
20. 20.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) LED (c) battery (d) junction
21. 21.Which drawing is the symbol for a motor? (a) a dot where wires meet (b) a circle with M inside (c) many long-short pairs (d) triangle, bar and arrows
22. 22.True or false: two equal parallel lines is the symbol for a resistor. (a) True (b) False
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) LED (c) resistor (d) voltmeter
24. 24.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
25. 25.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with a cross (c) one tall, one short bar (d) a small empty box
26. 26.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
27. 27.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a circle with a cross (c) a plain rectangle (d) many long-short pairs
28. 28.Which drawing is the symbol for a resistor? (a) two or more cell symbols (b) a plain rectangle (c) a straight line (d) triangle against a bar
29. 29.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) two or more cell symbols (c) a long and a short line (d) a circle with A inside
30. 30.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) triangle against a bar (c) one tall, one short bar (d) a circle with A inside
31. 31.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a straight line (c) one tall, one short bar (d) two equal parallel lines
32. 32.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) motor (c) battery (d) cell
34. 34.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
35. 35.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a straight line (c) a plain rectangle (d) a circle with a cross
36. 36.True or false: a circle with a cross is the symbol for a voltmeter. (a) False (b) True
37. 37.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) junction (c) cell (d) wire
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) motor (d) capacitor
40. 40.True or false: many long-short pairs is the symbol for a diode. (a) False (b) True

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