Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 718 · 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: a straight line is the symbol for a voltmeter. (a) False (b) True
2. 2.True or false: a circle with M inside is the symbol for a cell. (a) False (b) True
3. 3.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) battery (c) junction (d) bulb
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) motor (c) ammeter (d) switch
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) neither line (d) the longer line
6. 6.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) battery (c) capacitor (d) junction
7. 7.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with V inside (c) a circle with M inside (d) a circle with an X in it
8. 8.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to hide the circuit (d) to make it colourful
9. 9.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) battery (b) bulb (c) motor (d) LED
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) switch (c) capacitor (d) motor
12. 12.Which drawing is the symbol for a cell? (a) a straight line (b) one tall, one short bar (c) two or more cell symbols (d) a circle with A inside
13. 13.Which drawing is the symbol for a resistor? (a) a long and a short line (b) triangle, bar and arrows (c) a small empty box (d) triangle against a bar
14. 14.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) wire (c) bulb (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) wire (c) battery (d) cell
16. 16.Which drawing is the symbol for a wire? (a) one tall, one short bar (b) a straight line (c) a plain rectangle (d) a dot where wires meet
17. 17.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) diode (b) resistor (c) LED (d) ammeter
18. 18.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
19. 19.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) capacitor (c) wire (d) bulb
21. 21.Which drawing is the symbol for a junction? (a) a line lifted at a gap (b) a dot where wires meet (c) a circle with M inside (d) a circle with V inside
22. 22.Which drawing is the symbol for a diode? (a) many long-short pairs (b) a circle with a cross (c) a straight line (d) triangle against a bar
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 switch? (a) a circle with A inside (b) a line lifted at a gap (c) many long-short pairs (d) a circle with a cross
25. 25.Which drawing is the symbol for a battery? (a) two equal parallel lines (b) a dot where wires meet (c) a line lifted at a gap (d) many long-short pairs
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) battery (b) wire (c) motor (d) switch
27. 27.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with an X in it (d) two or more cell symbols
28. 28.Which drawing is the symbol for a cell? (a) a circle with V inside (b) a circle with an X in it (c) a long and a short line (d) two equal parallel lines
29. 29.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a plain rectangle (c) triangle against a bar (d) two equal parallel lines
30. 30.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) battery (b) cell (c) voltmeter (d) bulb
31. 31.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
32. 32.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) resistor (c) diode (d) motor
33. 33.Which drawing is the symbol for a capacitor? (a) two or more cell symbols (b) two equal parallel lines (c) many long-short pairs (d) a dot where wires meet
34. 34.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) two equal parallel lines (c) a circle with V inside (d) a straight line
35. 35.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) LED (c) junction (d) resistor
36. 36.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
37. 37.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
38. 38.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) motor (d) capacitor
40. 40.Which drawing is the symbol for an ammeter? (a) two or more cell symbols (b) a circle with A inside (c) triangle, bar and arrows (d) a circle with an X in it

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