Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 595 · 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 an ammeter? (a) a circle with V inside (b) a long and a short line (c) a circle with A inside (d) a circle with M inside
2. 2.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) diode (b) cell (c) LED (d) switch
3. 3.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) symbols are heavier (c) quick and clear for all (d) to make it colourful
4. 4.True or false: triangle, bar and arrows is the symbol for a switch. (a) True (b) False
5. 5.Which drawing is the symbol for a junction? (a) triangle, bar and arrows (b) a circle with a cross (c) many long-short pairs (d) a dot where wires meet
6. 6.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) junction (b) bulb (c) switch (d) motor
7. 7.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) resistor (c) LED (d) motor
8. 8.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) the shorter line (c) both lines (d) neither line
9. 9.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
10. 10.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) LED (c) capacitor (d) switch
11. 11.True or false: a circle with an X in it is the symbol for a cell. (a) True (b) False
12. 12.True or false: a straight line is the symbol for a cell. (a) True (b) False
13. 13.True or false: two equal parallel lines is the symbol for a cell. (a) True (b) False
14. 14.Which drawing is the symbol for a cell? (a) a straight line (b) two equal parallel lines (c) a small empty box (d) one tall, one short bar
15. 15.True or false: two or more cell symbols is the symbol for a motor. (a) False (b) True
16. 16.Which drawing is the symbol for a switch? (a) a circle with a cross (b) many long-short pairs (c) a long and a short line (d) a line lifted at a gap
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 resistor? (a) one tall, one short bar (b) a circle with V inside (c) a plain rectangle (d) a line lifted at a gap
19. 19.True or false: a circle with a cross is the symbol for an ammeter. (a) False (b) True
20. 20.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a small empty box (c) triangle, bar and arrows (d) a line lifted at a gap
21. 21.Which drawing is the symbol for an LED? (a) one tall, one short bar (b) two equal parallel lines (c) triangle, bar and arrows (d) a straight line
22. 22.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a circle with V inside (c) a circle with a cross (d) triangle against a bar
23. 23.True or false: triangle, bar and arrows is the symbol for a voltmeter. (a) True (b) False
24. 24.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) wire (c) cell (d) resistor
25. 25.True or false: a circle with V inside is the symbol for a junction. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) resistor (b) cell (c) voltmeter (d) capacitor
27. 27.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) wire (b) motor (c) switch (d) battery
28. 28.Which drawing is the symbol for a bulb? (a) a circle with A inside (b) two or more cell symbols (c) a circle with an X in it (d) a circle with V inside
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) bulb (c) cell (d) switch
30. 30.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) two equal parallel lines (c) a small empty box (d) a circle with a cross
31. 31.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
32. 32.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
33. 33.True or false: triangle against a bar is the symbol for an ammeter. (a) True (b) False
34. 34.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) resistor (b) switch (c) cell (d) diode
35. 35.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with V inside (c) a circle with A inside (d) a dot where wires meet
36. 36.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) capacitor (b) cell (c) switch (d) junction
37. 37.Which drawing is the symbol for a voltmeter? (a) a circle with V inside (b) a circle with an X in it (c) a circle with A inside (d) a small empty box
38. 38.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) triangle against a bar (c) a line lifted at a gap (d) two or more cell symbols
39. 39.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) wire (c) diode (d) LED
40. 40.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True

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