Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 257 · 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 capacitor? (a) two equal parallel lines (b) many long-short pairs (c) a circle with V inside (d) a circle with a cross
2. 2.Which drawing is the symbol for an LED? (a) many long-short pairs (b) a circle with V inside (c) triangle, bar and arrows (d) two equal parallel lines
3. 3.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) wavy lines (d) little stars
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) motor (c) voltmeter (d) ammeter
5. 5.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) ammeter (d) capacitor
6. 6.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
7. 7.True or false: triangle against a bar is the symbol for a motor. (a) True (b) False
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) junction (c) cell (d) voltmeter
10. 10.True or false: a long and a short line is the symbol for a voltmeter. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) capacitor (c) resistor (d) voltmeter
12. 12.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) junction (b) diode (c) LED (d) cell
13. 13.Which drawing is the symbol for a motor? (a) triangle against a bar (b) one tall, one short bar (c) a circle with M inside (d) two equal parallel lines
14. 14.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
15. 15.Which drawing is the symbol for a resistor? (a) a circle with V inside (b) a circle with an X in it (c) triangle against a bar (d) a small empty box
16. 16.Which drawing is the symbol for a battery? (a) a circle with A inside (b) triangle against a bar (c) many long-short pairs (d) a circle with an X in it
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) switch (c) wire (d) junction
18. 18.True or false: triangle against a bar is the symbol for a wire. (a) False (b) True
19. 19.✏️ 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
20. 20.True or false: a dot where wires meet is the symbol for a diode. (a) True (b) False
21. 21.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) switch (c) battery (d) voltmeter
22. 22.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) resistor (c) switch (d) ammeter
23. 23.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
24. 24.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) triangle against a bar (c) triangle, bar and arrows (d) a circle with an X in it
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) bulb (b) switch (c) diode (d) LED
26. 26.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle, bar and arrows (c) two or more cell symbols (d) a circle with A inside
27. 27.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
28. 28.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
29. 29.True or false: many long-short pairs is the symbol for a cell. (a) False (b) True
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) wire (c) cell (d) motor
31. 31.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a circle with V inside (c) a circle with M inside (d) two or more cell symbols
32. 32.True or false: a plain rectangle is the symbol for a bulb. (a) True (b) False
33. 33.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a plain rectangle (c) a long and a short line (d) a straight line
34. 34.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
35. 35.True or false: a circle with an X in it is the symbol for a resistor. (a) True (b) False
36. 36.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a straight line (c) a plain rectangle (d) a dot where wires meet
37. 37.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) LED (c) resistor (d) wire
38. 38.True or false: a circle with V inside is the symbol for a battery. (a) False (b) True
39. 39.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with A inside (c) many long-short pairs (d) one tall, one short bar
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) wire (b) ammeter (c) bulb (d) LED

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