Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 837 · 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 a dot where wires meet? (a) junction (b) battery (c) capacitor (d) LED
2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) switch (c) cell (d) battery
3. 3.True or false: a circle with a cross is the symbol for a junction. (a) False (b) True
4. 4.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
5. 5.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) bulb (c) cell (d) voltmeter
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) junction (c) battery (d) resistor
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the longer line (c) the shorter line (d) both lines
9. 9.True or false: many long-short pairs is the symbol for a cell. (a) True (b) False
10. 10.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
11. 11.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
12. 12.Which drawing is the symbol for a switch? (a) triangle against a bar (b) one tall, one short bar (c) a line lifted at a gap (d) a small empty box
13. 13.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) battery (c) LED (d) switch
15. 15.Which drawing is the symbol for a voltmeter? (a) one tall, one short bar (b) a circle with V inside (c) two or more cell symbols (d) triangle, bar and arrows
16. 16.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) battery (c) cell (d) bulb
17. 17.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) wire (c) ammeter (d) LED
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) wavy lines (c) dotted circles (d) little stars
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) switch (c) motor (d) bulb
20. 20.Which drawing is the symbol for a capacitor? (a) a circle with V inside (b) a long and a short line (c) two equal parallel lines (d) triangle against a bar
21. 21.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) many long-short pairs (c) one tall, one short bar (d) a straight line
22. 22.Which drawing is the symbol for a cell? (a) a long and a short line (b) many long-short pairs (c) a line lifted at a gap (d) a dot where wires meet
23. 23.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) capacitor (c) bulb (d) resistor
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) cell (b) resistor (c) motor (d) ammeter
25. 25.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) motor (c) cell (d) diode
26. 26.True or false: a circle with a cross is the symbol for a motor. (a) False (b) True
27. 27.True or false: two or more cell symbols is the symbol for a resistor. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) bulb (b) resistor (c) motor (d) capacitor
29. 29.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
30. 30.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
31. 31.Which drawing is the symbol for a battery? (a) a circle with V inside (b) triangle, bar and arrows (c) two or more cell symbols (d) a circle with a cross
32. 32.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
33. 33.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
34. 34.True or false: a dot where wires meet is the symbol for a battery. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) resistor (c) LED (d) bulb
36. 36.Which drawing is the symbol for a junction? (a) a straight line (b) a circle with V inside (c) a dot where wires meet (d) a circle with M inside
37. 37.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) junction (d) battery
38. 38.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
39. 39.Which drawing is the symbol for a diode? (a) triangle, bar and arrows (b) a straight line (c) a plain rectangle (d) triangle against a bar
40. 40.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) many long-short pairs (c) one tall, one short bar (d) a small empty box

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