Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 173 · 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 circle with M inside? (a) ammeter (b) junction (c) cell (d) motor
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
3. 3.True or false: two or more cell symbols is the symbol for a bulb. (a) False (b) True
4. 4.Which drawing is the symbol for a cell? (a) a long and a short line (b) two or more cell symbols (c) a circle with V inside (d) a circle with a cross
5. 5.True or false: triangle, bar and arrows is the symbol for a bulb. (a) False (b) True
6. 6.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) wire (c) capacitor (d) diode
7. 7.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a dot where wires meet (c) a straight line (d) a line lifted at a gap
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
9. 9.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) motor (b) diode (c) LED (d) battery
10. 10.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) triangle, bar and arrows (c) a straight line (d) a circle with an X in it
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) bulb (c) LED (d) voltmeter
12. 12.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) battery (b) bulb (c) diode (d) resistor
13. 13.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with an X in it (c) a small empty box (d) a long and a short line
14. 14.True or false: two equal parallel lines is the symbol for a switch. (a) False (b) True
15. 15.True or false: a long and a short line is the symbol for a bulb. (a) True (b) False
16. 16.True or false: a small empty box is the symbol for an ammeter. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) bulb (b) capacitor (c) voltmeter (d) junction
18. 18.Which drawing is the symbol for an ammeter? (a) triangle against a bar (b) a plain rectangle (c) a circle with A inside (d) one tall, one short bar
19. 19.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) a line lifted at a gap (c) many long-short pairs (d) one tall, one short bar
20. 20.True or false: many long-short pairs is the symbol for an LED. (a) False (b) True
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) motor (c) wire (d) switch
22. 22.Which drawing is the symbol for a resistor? (a) two equal parallel lines (b) a plain rectangle (c) a dot where wires meet (d) a circle with an X in it
23. 23.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) junction (b) battery (c) cell (d) voltmeter
24. 24.✏️ 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
25. 25.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
26. 26.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) resistor (c) capacitor (d) wire
27. 27.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) voltmeter (b) resistor (c) LED (d) battery
28. 28.Which drawing is the symbol for a battery? (a) a long and a short line (b) a plain rectangle (c) a circle with an X in it (d) two or more cell symbols
29. 29.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) a circle with V inside (c) a straight line (d) a plain rectangle
30. 30.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) capacitor (c) switch (d) diode
31. 31.True or false: a circle with a cross is the symbol for a capacitor. (a) False (b) True
32. 32.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with V inside (c) many long-short pairs (d) a small empty box
33. 33.True or false: a circle with an X in it is the symbol for a resistor. (a) False (b) True
34. 34.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) resistor (b) voltmeter (c) bulb (d) cell
36. 36.Which drawing is the symbol for an LED? (a) a circle with a cross (b) a long and a short line (c) a small empty box (d) triangle, bar and arrows
37. 37.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) motor (b) diode (c) battery (d) LED
38. 38.True or false: many long-short pairs is the symbol for a voltmeter. (a) False (b) True
39. 39.True or false: a line lifted at a gap is the symbol for a junction. (a) False (b) True
40. 40.Which drawing is the symbol for a motor? (a) two or more cell symbols (b) a long and a short line (c) a small empty box (d) a circle with M inside

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