Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 237 · 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, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
2. 2.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) LED (c) ammeter (d) junction
4. 4.Which drawing is the symbol for a battery? (a) triangle, bar and arrows (b) many long-short pairs (c) a straight line (d) a plain rectangle
5. 5.Which drawing is the symbol for a motor? (a) a circle with M inside (b) two or more cell symbols (c) a long and a short line (d) triangle against a bar
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) switch (b) bulb (c) cell (d) ammeter
8. 8.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) many long-short pairs (c) a dot where wires meet (d) a line lifted at a gap
9. 9.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) quick and clear for all (c) to hide the circuit (d) symbols are heavier
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) ammeter (c) switch (d) motor
11. 11.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) resistor (c) switch (d) junction
12. 12.Which drawing is the symbol for a resistor? (a) a straight line (b) a circle with a cross (c) a small empty box (d) a long and a short line
13. 13.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) junction (c) ammeter (d) switch
14. 14.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) triangle against a bar (c) a circle with an X in it (d) a plain rectangle
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) motor (b) voltmeter (c) bulb (d) resistor
16. 16.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) battery (c) cell (d) diode
17. 17.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) battery (b) diode (c) LED (d) bulb
18. 18.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a small empty box (c) a long and a short line (d) a circle with V inside
19. 19.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
20. 20.Which drawing is the symbol for a bulb? (a) triangle, bar and arrows (b) a circle with a cross (c) a line lifted at a gap (d) many long-short pairs
21. 21.True or false: a circle with M inside is the symbol for a battery. (a) False (b) True
22. 22.True or false: two or more cell symbols is the symbol for a junction. (a) False (b) True
23. 23.True or false: a small empty box is the symbol for a battery. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) bulb (c) resistor (d) LED
25. 25.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a circle with M inside (c) triangle, bar and arrows (d) a straight line
26. 26.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
27. 27.Which drawing is the symbol for a switch? (a) a circle with V inside (b) two or more cell symbols (c) a line lifted at a gap (d) a circle with M inside
28. 28.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle against a bar (c) a line lifted at a gap (d) two or more cell symbols
29. 29.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a circle with V inside (c) a plain rectangle (d) two or more cell symbols
30. 30.Which drawing is the symbol for a diode? (a) a plain rectangle (b) one tall, one short bar (c) a line lifted at a gap (d) triangle against a bar
31. 31.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) wire (c) motor (d) capacitor
32. 32.True or false: a circle with an X in it is the symbol for a motor. (a) True (b) False
33. 33.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a circle with an X in it (c) a circle with a cross (d) two or more cell symbols
34. 34.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) resistor (b) LED (c) battery (d) junction
35. 35.True or false: a dot where wires meet is the symbol for a capacitor. (a) True (b) False
36. 36.True or false: a circle with V inside is the symbol for a voltmeter. (a) False (b) True
37. 37.True or false: a line lifted at a gap is the symbol for a junction. (a) True (b) False
38. 38.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a long and a short line (c) a plain rectangle (d) a circle with a cross
39. 39.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
40. 40.True or false: a small empty box is the symbol for a cell. (a) False (b) True

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