Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 95 · 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.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
2. 2.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
3. 3.True or false: a circle with A inside is the symbol for a capacitor. (a) True (b) False
4. 4.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to hide the circuit (c) to make it colourful (d) symbols are heavier
5. 5.Which drawing is the symbol for a switch? (a) a straight line (b) a line lifted at a gap (c) a circle with M inside (d) one tall, one short bar
6. 6.Which drawing is the symbol for a capacitor? (a) many long-short pairs (b) one tall, one short bar (c) a plain rectangle (d) two equal parallel lines
7. 7.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) LED (c) diode (d) switch
8. 8.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) two or more cell symbols (c) a plain rectangle (d) a long and a short line
9. 9.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) triangle against a bar (c) triangle, bar and arrows (d) many long-short pairs
10. 10.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) motor (b) diode (c) junction (d) resistor
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) voltmeter (b) junction (c) resistor (d) ammeter
12. 12.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two or more cell symbols (c) a plain rectangle (d) two equal parallel lines
13. 13.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) bulb (c) battery (d) motor
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) switch (b) battery (c) bulb (d) voltmeter
16. 16.True or false: a circle with M inside is the symbol for a voltmeter. (a) True (b) False
17. 17.Which drawing is the symbol for a cell? (a) one tall, one short bar (b) a circle with A inside (c) two equal parallel lines (d) a circle with a cross
18. 18.True or false: triangle against a bar is the symbol for a battery. (a) True (b) False
19. 19.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
20. 20.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) dotted circles (c) wavy lines (d) straight lines
21. 21.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with M inside (c) a circle with an X in it (d) two equal parallel lines
22. 22.Which drawing is the symbol for a resistor? (a) a small empty box (b) a dot where wires meet (c) many long-short pairs (d) a circle with a cross
23. 23.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) diode (c) motor (d) voltmeter
24. 24.✏️ In a circuit diagram, which part is drawn as a straight line? (a) bulb (b) motor (c) wire (d) junction
25. 25.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) diode (c) wire (d) battery
26. 26.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a line lifted at a gap (c) many long-short pairs (d) triangle against a bar
27. 27.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) the longer line (c) neither line (d) both lines
28. 28.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) diode (b) wire (c) resistor (d) capacitor
29. 29.Which drawing is the symbol for a motor? (a) a circle with V inside (b) triangle, bar and arrows (c) a circle with M inside (d) a line lifted at a gap
30. 30.Which drawing is the symbol for a cell? (a) a straight line (b) a long and a short line (c) two equal parallel lines (d) a circle with a cross
31. 31.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) ammeter (b) resistor (c) motor (d) voltmeter
32. 32.True or false: a straight line is the symbol for a voltmeter. (a) False (b) True
33. 33.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
34. 34.True or false: a circle with V inside is the symbol for a capacitor. (a) False (b) True
35. 35.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a small empty box (c) a long and a short line (d) triangle against a bar
36. 36.True or false: two or more cell symbols is the symbol for a battery. (a) True (b) False
37. 37.Which drawing is the symbol for an ammeter? (a) one tall, one short bar (b) triangle, bar and arrows (c) two or more cell symbols (d) a circle with A inside
38. 38.True or false: a circle with a cross is the symbol for a switch. (a) True (b) False
39. 39.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
40. 40.Which drawing is the symbol for a voltmeter? (a) a circle with A inside (b) one tall, one short bar (c) a dot where wires meet (d) a circle with V inside

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