Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 193 · 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 a dot where wires meet? (a) junction (b) battery (c) voltmeter (d) ammeter
2. 2.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
3. 3.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
4. 4.Which drawing is the symbol for a diode? (a) many long-short pairs (b) triangle against a bar (c) one tall, one short bar (d) two equal parallel lines
5. 5.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) resistor (c) bulb (d) ammeter
6. 6.Which drawing is the symbol for a wire? (a) a line lifted at a gap (b) a small empty box (c) a straight line (d) a circle with M inside
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) ammeter (c) voltmeter (d) bulb
8. 8.True or false: a circle with V inside is the symbol for a motor. (a) False (b) True
9. 9.True or false: a long and a short line is the symbol for a battery. (a) True (b) False
10. 10.Which drawing is the symbol for a cell? (a) a long and a short line (b) a circle with an X in it (c) a circle with A inside (d) a circle with M inside
11. 11.Which drawing is the symbol for an ammeter? (a) a circle with M inside (b) two equal parallel lines (c) a plain rectangle (d) a circle with A inside
12. 12.True or false: two equal parallel lines is the symbol for a bulb. (a) True (b) False
13. 13.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
14. 14.Which drawing is the symbol for a battery? (a) triangle against a bar (b) a circle with an X in it (c) a long and a short line (d) many long-short pairs
15. 15.Which drawing is the symbol for a battery? (a) a small empty box (b) two or more cell symbols (c) a long and a short line (d) triangle, bar and arrows
16. 16.True or false: a circle with an X in it is the symbol for an LED. (a) True (b) False
17. 17.Which drawing is the symbol for a resistor? (a) triangle against a bar (b) a circle with M inside (c) a long and a short line (d) a small empty box
18. 18.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) symbols are heavier (d) quick and clear for all
19. 19.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) wire (b) capacitor (c) diode (d) cell
20. 20.True or false: two or more cell symbols is the symbol for a battery. (a) False (b) True
21. 21.True or false: a line lifted at a gap is the symbol for a bulb. (a) True (b) False
22. 22.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) wire (b) resistor (c) bulb (d) voltmeter
23. 23.✏️ In a circuit diagram, wires are usually drawn as … (a) dotted circles (b) little stars (c) wavy lines (d) straight lines
24. 24.True or false: one tall, one short bar is the symbol for a diode. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) capacitor (c) switch (d) resistor
26. 26.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
27. 27.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with A inside (c) a plain rectangle (d) a circle with M inside
28. 28.True or false: triangle, bar and arrows is the symbol for a switch. (a) True (b) False
29. 29.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) motor (b) cell (c) capacitor (d) voltmeter
30. 30.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a straight line (c) two or more cell symbols (d) a small empty box
31. 31.Which drawing is the symbol for a switch? (a) one tall, one short bar (b) a straight line (c) a circle with V inside (d) a line lifted at a gap
32. 32.Which drawing is the symbol for a motor? (a) a long and a short line (b) a straight line (c) a circle with M inside (d) a circle with A inside
33. 33.Which drawing is the symbol for a bulb? (a) a straight line (b) a plain rectangle (c) a circle with A inside (d) a circle with an X in it
34. 34.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) LED (b) motor (c) battery (d) capacitor
35. 35.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) LED (b) resistor (c) junction (d) cell
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) wire (c) LED (d) battery
37. 37.Which drawing is the symbol for a voltmeter? (a) a line lifted at a gap (b) a circle with an X in it (c) a circle with V inside (d) triangle against a bar
38. 38.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as a straight line? (a) switch (b) motor (c) diode (d) wire
40. 40.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) cell (b) resistor (c) battery (d) voltmeter

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