Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 841 · 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 V inside? (a) wire (b) voltmeter (c) resistor (d) junction
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) the shorter line (c) the longer line (d) both lines
3. 3.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) cell (c) ammeter (d) capacitor
4. 4.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
5. 5.True or false: a dot where wires meet is the symbol for a junction. (a) True (b) False
6. 6.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) switch (b) wire (c) bulb (d) cell
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) LED (c) motor (d) voltmeter
8. 8.Which drawing is the symbol for a battery? (a) a circle with M inside (b) many long-short pairs (c) triangle against a bar (d) a small empty box
9. 9.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) battery (b) diode (c) resistor (d) cell
10. 10.True or false: two equal parallel lines is the symbol for a cell. (a) False (b) True
11. 11.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) voltmeter (b) capacitor (c) bulb (d) resistor
12. 12.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) a circle with V inside (c) triangle, bar and arrows (d) two or more cell symbols
13. 13.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a dot where wires meet (c) a circle with M inside (d) a line lifted at a gap
14. 14.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) ammeter (b) wire (c) bulb (d) LED
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) capacitor (c) battery (d) cell
16. 16.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) triangle against a bar (c) a small empty box (d) one tall, one short bar
17. 17.Which drawing is the symbol for a motor? (a) a long and a short line (b) a circle with A inside (c) two or more cell symbols (d) a circle with M inside
18. 18.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) bulb (b) cell (c) LED (d) battery
19. 19.Which drawing is the symbol for a switch? (a) two or more cell symbols (b) one tall, one short bar (c) a line lifted at a gap (d) a dot where wires meet
20. 20.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) diode (b) ammeter (c) cell (d) resistor
21. 21.True or false: a circle with A inside is the symbol for a resistor. (a) True (b) False
22. 22.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) two equal parallel lines (c) triangle against a bar (d) a line lifted at a gap
23. 23.Which drawing is the symbol for a bulb? (a) a circle with a cross (b) a circle with A inside (c) one tall, one short bar (d) triangle, bar and arrows
24. 24.True or false: a circle with A inside is the symbol for a switch. (a) False (b) True
25. 25.True or false: a line lifted at a gap is the symbol for a motor. (a) False (b) True
26. 26.✏️ 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
27. 27.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
28. 28.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) bulb (c) cell (d) motor
29. 29.Which drawing is the symbol for a wire? (a) a long and a short line (b) a circle with V inside (c) a circle with M inside (d) a straight line
30. 30.True or false: one tall, one short bar is the symbol for a voltmeter. (a) False (b) True
31. 31.True or false: a circle with an X in it is the symbol for a junction. (a) True (b) False
32. 32.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
33. 33.Which drawing is the symbol for a resistor? (a) a small empty box (b) one tall, one short bar (c) a circle with A inside (d) a line lifted at a gap
34. 34.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) motor (c) wire (d) switch
35. 35.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
36. 36.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) two or more cell symbols (c) one tall, one short bar (d) a circle with a cross
37. 37.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
38. 38.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) a dot where wires meet (c) triangle against a bar (d) two equal parallel lines
39. 39.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
40. 40.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True

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