Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 991 · 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 one tall, one short bar? (a) cell (b) junction (c) switch (d) battery
2. 2.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) switch (c) cell (d) voltmeter
3. 3.True or false: two or more cell symbols is the symbol for a switch. (a) False (b) True
4. 4.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) capacitor (b) switch (c) motor (d) resistor
5. 5.Which drawing is the symbol for a wire? (a) triangle against a bar (b) a straight line (c) many long-short pairs (d) a plain rectangle
6. 6.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) triangle, bar and arrows (c) a circle with A inside (d) one tall, one short bar
7. 7.Which drawing is the symbol for an LED? (a) a plain rectangle (b) a circle with an X in it (c) a line lifted at a gap (d) triangle, bar and arrows
8. 8.True or false: a circle with an X in it is the symbol for a bulb. (a) True (b) False
9. 9.True or false: a straight line is the symbol for a wire. (a) False (b) True
10. 10.Which drawing is the symbol for a bulb? (a) a line lifted at a gap (b) a circle with a cross (c) a circle with M inside (d) one tall, one short bar
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the longer line (b) neither line (c) both lines (d) the shorter line
12. 12.True or false: a long and a short line is the symbol for a bulb. (a) False (b) True
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) capacitor (c) resistor (d) switch
14. 14.True or false: two or more cell symbols is the symbol for a voltmeter. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) resistor (b) LED (c) diode (d) bulb
16. 16.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) dotted circles (c) little stars (d) straight lines
17. 17.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) junction (c) bulb (d) battery
18. 18.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) a circle with an X in it (c) a circle with A inside (d) two equal parallel lines
19. 19.Which drawing is the symbol for a bulb? (a) one tall, one short bar (b) a circle with M inside (c) a circle with an X in it (d) two equal parallel lines
20. 20.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) capacitor (b) battery (c) cell (d) motor
21. 21.Which drawing is the symbol for a junction? (a) a circle with a cross (b) a small empty box (c) one tall, one short bar (d) a dot where wires meet
22. 22.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
23. 23.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a long and a short line (c) a circle with V inside (d) many long-short pairs
24. 24.True or false: a circle with A inside is the symbol for an ammeter. (a) True (b) False
25. 25.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
26. 26.Which drawing is the symbol for a cell? (a) a circle with V inside (b) many long-short pairs (c) a line lifted at a gap (d) one tall, one short bar
27. 27.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) wire (b) ammeter (c) junction (d) LED
28. 28.Which drawing is the symbol for an ammeter? (a) a plain rectangle (b) a circle with V inside (c) a circle with an X in it (d) a circle with A inside
29. 29.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) motor (b) resistor (c) diode (d) junction
30. 30.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
31. 31.True or false: a small empty box is the symbol for a voltmeter. (a) False (b) True
32. 32.True or false: a circle with an X in it is the symbol for a motor. (a) False (b) True
33. 33.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) symbols are heavier (c) to hide the circuit (d) quick and clear for all
34. 34.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) capacitor (b) LED (c) junction (d) battery
35. 35.Which drawing is the symbol for a resistor? (a) a circle with a cross (b) a circle with M inside (c) a line lifted at a gap (d) a small empty box
36. 36.✏️ In a circuit diagram, which part is drawn as a straight line? (a) cell (b) switch (c) motor (d) wire
37. 37.True or false: one tall, one short bar is the symbol for a cell. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) motor (c) battery (d) voltmeter
39. 39.True or false: a small empty box is the symbol for an LED. (a) False (b) True
40. 40.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) cell (c) switch (d) wire

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