Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 935 · 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 junction? (a) two equal parallel lines (b) one tall, one short bar (c) a dot where wires meet (d) a circle with V inside
2. 2.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with a cross (c) a small empty box (d) a circle with V inside
3. 3.✏️ 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
4. 4.Which drawing is the symbol for a switch? (a) a circle with a cross (b) a long and a short line (c) a small empty box (d) a line lifted at a gap
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) both lines (c) the shorter line (d) neither line
6. 6.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) diode (c) motor (d) cell
7. 7.Which drawing is the symbol for an LED? (a) a plain rectangle (b) triangle, bar and arrows (c) a straight line (d) a dot where wires meet
8. 8.True or false: one tall, one short bar is the symbol for a capacitor. (a) False (b) True
9. 9.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) bulb (b) capacitor (c) ammeter (d) motor
10. 10.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a line lifted at a gap (c) many long-short pairs (d) one tall, one short bar
11. 11.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with a cross (c) one tall, one short bar (d) a circle with A inside
12. 12.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) diode (c) resistor (d) cell
13. 13.Which drawing is the symbol for a capacitor? (a) one tall, one short bar (b) two equal parallel lines (c) a small empty box (d) a circle with A inside
14. 14.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) triangle against a bar (c) a circle with an X in it (d) a plain rectangle
15. 15.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a circle with A inside (c) one tall, one short bar (d) a small empty box
16. 16.True or false: triangle against a bar is the symbol for a capacitor. (a) False (b) True
17. 17.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) motor (c) capacitor (d) diode
18. 18.True or false: two or more cell symbols is the symbol for a capacitor. (a) False (b) True
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) battery (c) ammeter (d) voltmeter
20. 20.Which drawing is the symbol for a diode? (a) triangle against a bar (b) a straight line (c) a circle with A inside (d) two or more cell symbols
21. 21.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) resistor (c) motor (d) battery
23. 23.True or false: one tall, one short bar is the symbol for a battery. (a) True (b) False
24. 24.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
25. 25.Which drawing is the symbol for a bulb? (a) a straight line (b) a circle with an X in it (c) a long and a short line (d) two equal parallel lines
26. 26.True or false: a small empty box is the symbol for a cell. (a) True (b) False
27. 27.True or false: triangle, bar and arrows is the symbol for a battery. (a) False (b) True
28. 28.✏️ In a circuit diagram, wires are usually drawn as … (a) straight lines (b) little stars (c) dotted circles (d) wavy lines
29. 29.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) battery (c) capacitor (d) motor
30. 30.Which drawing is the symbol for a motor? (a) a circle with an X in it (b) a circle with M inside (c) triangle against a bar (d) a long and a short line
31. 31.True or false: a circle with A inside is the symbol for an ammeter. (a) False (b) True
32. 32.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
33. 33.True or false: two or more cell symbols is the symbol for a resistor. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) motor (c) voltmeter (d) wire
35. 35.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a long and a short line (c) a circle with an X in it (d) a small empty box
36. 36.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
37. 37.True or false: a plain rectangle is the symbol for a resistor. (a) False (b) True
38. 38.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) voltmeter (b) bulb (c) junction (d) cell
39. 39.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with a cross (c) a straight line (d) a plain rectangle
40. 40.Which drawing is the symbol for a voltmeter? (a) two or more cell symbols (b) a circle with V inside (c) triangle, bar and arrows (d) a long and a short line

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