Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 122 · 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.Which drawing is the symbol for a battery? (a) a long and a short line (b) a circle with A inside (c) a circle with M inside (d) two or more cell symbols
2. 2.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) LED (c) bulb (d) switch
3. 3.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) two or more cell symbols (c) a small empty box (d) a circle with M inside
4. 4.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
5. 5.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) cell (c) diode (d) wire
6. 6.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a circle with a cross (c) many long-short pairs (d) a circle with V inside
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
8. 8.True or false: a straight line is the symbol for a junction. (a) False (b) True
9. 9.Which drawing is the symbol for a bulb? (a) two or more cell symbols (b) a plain rectangle (c) a small empty box (d) a circle with a cross
10. 10.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) bulb (c) cell (d) switch
11. 11.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) cell (b) voltmeter (c) capacitor (d) LED
12. 12.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) cell (c) junction (d) LED
13. 13.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) to hide the circuit (d) symbols are heavier
14. 14.Which drawing is the symbol for a cell? (a) many long-short pairs (b) a line lifted at a gap (c) a small empty box (d) a long and a short line
15. 15.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) switch (c) diode (d) resistor
16. 16.True or false: two or more cell symbols is the symbol for a diode. (a) False (b) True
17. 17.True or false: one tall, one short bar is the symbol for a switch. (a) False (b) True
18. 18.Which drawing is the symbol for a diode? (a) a circle with a cross (b) triangle against a bar (c) two or more cell symbols (d) a dot where wires meet
19. 19.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) bulb (b) battery (c) resistor (d) ammeter
20. 20.True or false: many long-short pairs is the symbol for a diode. (a) True (b) False
21. 21.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a line lifted at a gap (c) a circle with A inside (d) two equal parallel lines
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) bulb (c) resistor (d) switch
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) straight lines (c) little stars (d) wavy lines
24. 24.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) cell (b) junction (c) voltmeter (d) resistor
25. 25.True or false: a circle with an X in it is the symbol for an LED. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) junction (b) ammeter (c) resistor (d) capacitor
27. 27.Which drawing is the symbol for a junction? (a) a circle with M inside (b) two or more cell symbols (c) a long and a short line (d) a dot where wires meet
28. 28.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
29. 29.True or false: a line lifted at a gap is the symbol for a resistor. (a) True (b) False
30. 30.Which drawing is the symbol for a cell? (a) a circle with A inside (b) a plain rectangle (c) triangle against a bar (d) one tall, one short bar
31. 31.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
32. 32.Which drawing is the symbol for an LED? (a) a circle with an X in it (b) triangle, bar and arrows (c) a small empty box (d) two or more cell symbols
33. 33.True or false: a plain rectangle is the symbol for a cell. (a) False (b) True
34. 34.True or false: two equal parallel lines is the symbol for a bulb. (a) True (b) False
35. 35.True or false: a circle with V inside is the symbol for a voltmeter. (a) True (b) False
36. 36.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
37. 37.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) resistor (b) cell (c) LED (d) diode
38. 38.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) junction (c) ammeter (d) LED
40. 40.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) voltmeter (b) bulb (c) wire (d) resistor

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