Electronics Worksheet: Circuit Symbols

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

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