Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 124 · 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 two or more cell symbols? (a) junction (b) battery (c) diode (d) bulb
2. 2.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) wire (d) junction
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) diode (b) switch (c) resistor (d) bulb
4. 4.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with A inside (c) many long-short pairs (d) a circle with M inside
5. 5.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a small empty box (c) many long-short pairs (d) triangle against a bar
6. 6.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
8. 8.Which drawing is the symbol for a motor? (a) a circle with M inside (b) triangle, bar and arrows (c) one tall, one short bar (d) a circle with A inside
9. 9.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) motor (c) diode (d) cell
11. 11.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a straight line (c) a circle with an X in it (d) a circle with M inside
12. 12.Which drawing is the symbol for an ammeter? (a) a dot where wires meet (b) a long and a short line (c) a circle with M inside (d) a circle with A inside
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) quick and clear for all (c) symbols are heavier (d) to make it colourful
14. 14.Which drawing is the symbol for a battery? (a) a long and a short line (b) a small empty box (c) many long-short pairs (d) a dot where wires meet
15. 15.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
16. 16.Which drawing is the symbol for a switch? (a) a plain rectangle (b) a circle with an X in it (c) a long and a short line (d) a line lifted at a gap
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) ammeter (c) bulb (d) resistor
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) switch (c) diode (d) wire
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) bulb (c) capacitor (d) junction
20. 20.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) bulb (b) ammeter (c) capacitor (d) wire
21. 21.True or false: a dot where wires meet is the symbol for a bulb. (a) True (b) False
22. 22.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
23. 23.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) a line lifted at a gap (c) a circle with an X in it (d) two equal parallel lines
24. 24.True or false: two or more cell symbols is the symbol for a cell. (a) True (b) False
25. 25.True or false: a plain rectangle is the symbol for a battery. (a) True (b) False
26. 26.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
27. 27.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
28. 28.True or false: triangle against a bar is the symbol for a capacitor. (a) True (b) False
29. 29.Which drawing is the symbol for a battery? (a) a dot where wires meet (b) one tall, one short bar (c) two or more cell symbols (d) a long and a short line
30. 30.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) diode (c) cell (d) switch
31. 31.True or false: a long and a short line is the symbol for a capacitor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) switch (c) cell (d) voltmeter
33. 33.True or false: many long-short pairs is the symbol for a wire. (a) False (b) True
34. 34.True or false: two equal parallel lines is the symbol for a voltmeter. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) resistor (c) ammeter (d) motor
36. 36.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a dot where wires meet (c) one tall, one short bar (d) a plain rectangle
37. 37.True or false: a dot where wires meet is the symbol for a capacitor. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) motor (c) ammeter (d) switch
39. 39.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
40. 40.True or false: a straight line is the symbol for a switch. (a) False (b) True

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