Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 114 · 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) True (b) False
2. 2.True or false: many long-short pairs is the symbol for an LED. (a) True (b) False
3. 3.Which drawing is the symbol for an ammeter? (a) a small empty box (b) a circle with A inside (c) two equal parallel lines (d) a circle with M inside
4. 4.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) wavy lines (c) little stars (d) straight lines
5. 5.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the shorter line (c) the longer line (d) neither line
6. 6.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
7. 7.Which drawing is the symbol for a resistor? (a) a dot where wires meet (b) a small empty box (c) a long and a short line (d) a line lifted at a gap
8. 8.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) many long-short pairs (c) triangle against a bar (d) a circle with an X in it
9. 9.True or false: a circle with V inside is the symbol for an ammeter. (a) False (b) True
10. 10.True or false: many long-short pairs is the symbol for a capacitor. (a) True (b) False
11. 11.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) motor (d) switch
12. 12.Which drawing is the symbol for a resistor? (a) a long and a short line (b) a plain rectangle (c) a circle with M inside (d) a circle with an X in it
13. 13.True or false: a line lifted at a gap is the symbol for a diode. (a) True (b) False
14. 14.Which drawing is the symbol for a junction? (a) a small empty box (b) a circle with an X in it (c) a long and a short line (d) a dot where wires meet
15. 15.Which drawing is the symbol for a motor? (a) a plain rectangle (b) many long-short pairs (c) a straight line (d) a circle with M inside
16. 16.Which drawing is the symbol for an LED? (a) a circle with M inside (b) a circle with a cross (c) triangle, bar and arrows (d) a straight line
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) capacitor (c) battery (d) switch
18. 18.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) cell (b) battery (c) switch (d) resistor
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) cell (b) resistor (c) bulb (d) motor
20. 20.Which drawing is the symbol for a battery? (a) a circle with an X in it (b) a dot where wires meet (c) a line lifted at a gap (d) two or more cell symbols
21. 21.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) cell (b) capacitor (c) wire (d) voltmeter
22. 22.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a long and a short line (c) a plain rectangle (d) one tall, one short bar
23. 23.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) switch (b) battery (c) ammeter (d) junction
24. 24.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) motor (c) cell (d) LED
25. 25.True or false: many long-short pairs is the symbol for an ammeter. (a) False (b) True
26. 26.True or false: many long-short pairs is the symbol for a bulb. (a) False (b) True
27. 27.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) junction (b) capacitor (c) LED (d) diode
28. 28.True or false: a line lifted at a gap is the symbol for a switch. (a) True (b) False
29. 29.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) quick and clear for all (d) to hide the circuit
30. 30.✏️ In a circuit diagram, which part is drawn as a straight line? (a) voltmeter (b) wire (c) diode (d) resistor
31. 31.Which drawing is the symbol for a bulb? (a) triangle against a bar (b) a circle with an X in it (c) a line lifted at a gap (d) a circle with M inside
32. 32.True or false: a circle with a cross is the symbol for a diode. (a) True (b) False
33. 33.True or false: a circle with M inside is the symbol for a switch. (a) True (b) False
34. 34.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
35. 35.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) motor (b) diode (c) LED (d) junction
36. 36.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) cell (c) resistor (d) motor
37. 37.Which drawing is the symbol for a voltmeter? (a) a straight line (b) a circle with V inside (c) triangle, bar and arrows (d) a long and a short line
38. 38.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a dot where wires meet (c) a long and a short line (d) a circle with V inside
39. 39.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) motor (c) cell (d) resistor
40. 40.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) bulb (c) capacitor (d) wire

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids