Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 652 · 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) wire (c) battery (d) bulb
2. 2.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) LED (c) battery (d) motor
3. 3.Which drawing is the symbol for a motor? (a) a small empty box (b) a circle with M inside (c) a straight line (d) one tall, one short bar
4. 4.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) capacitor (b) bulb (c) resistor (d) motor
6. 6.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) motor (c) wire (d) LED
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) junction (c) battery (d) ammeter
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the longer line (d) the shorter line
9. 9.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) diode (b) battery (c) resistor (d) junction
10. 10.Which drawing is the symbol for a junction? (a) one tall, one short bar (b) a long and a short line (c) a straight line (d) a dot where wires meet
11. 11.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a small empty box (c) many long-short pairs (d) a circle with M inside
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
13. 13.True or false: a straight line is the symbol for a cell. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) cell (b) ammeter (c) switch (d) junction
15. 15.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a long and a short line (c) a plain rectangle (d) a circle with a cross
16. 16.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) triangle, bar and arrows (c) two equal parallel lines (d) a circle with a cross
17. 17.True or false: a small empty box is the symbol for a battery. (a) False (b) True
18. 18.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
19. 19.True or false: a plain rectangle is the symbol for a cell. (a) False (b) True
20. 20.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
21. 21.Which drawing is the symbol for a cell? (a) a circle with M inside (b) a circle with V inside (c) many long-short pairs (d) a long and a short line
22. 22.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
23. 23.True or false: two equal parallel lines is the symbol for a motor. (a) True (b) False
24. 24.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) many long-short pairs (c) one tall, one short bar (d) a circle with M inside
25. 25.Which drawing is the symbol for a diode? (a) a plain rectangle (b) a long and a short line (c) triangle against a bar (d) a circle with V inside
26. 26.True or false: two equal parallel lines is the symbol for a diode. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) voltmeter (c) junction (d) resistor
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) diode (b) cell (c) switch (d) battery
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) bulb (b) motor (c) voltmeter (d) ammeter
30. 30.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) one tall, one short bar (c) a circle with a cross (d) a circle with V inside
31. 31.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) switch (c) battery (d) motor
32. 32.True or false: many long-short pairs is the symbol for a switch. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) cell (c) junction (d) ammeter
34. 34.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
35. 35.Which drawing is the symbol for a wire? (a) a long and a short line (b) one tall, one short bar (c) a circle with V inside (d) a straight line
36. 36.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
37. 37.Which drawing is the symbol for an LED? (a) two equal parallel lines (b) a circle with V inside (c) triangle, bar and arrows (d) a circle with A inside
38. 38.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with M inside (c) many long-short pairs (d) a small empty box
39. 39.Which drawing is the symbol for an ammeter? (a) a circle with A inside (b) two equal parallel lines (c) a long and a short line (d) a circle with an X in it
40. 40.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) ammeter (c) bulb (d) cell

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