Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 536 · 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 a wire? (a) many long-short pairs (b) a plain rectangle (c) a straight line (d) two equal parallel lines
2. 2.Which drawing is the symbol for a junction? (a) a small empty box (b) a long and a short line (c) a circle with a cross (d) a dot where wires meet
3. 3.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) resistor (b) battery (c) cell (d) ammeter
4. 4.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) capacitor (c) switch (d) cell
5. 5.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) cell (b) battery (c) bulb (d) resistor
6. 6.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) capacitor (b) voltmeter (c) cell (d) bulb
7. 7.Which drawing is the symbol for a motor? (a) a line lifted at a gap (b) a circle with an X in it (c) a circle with M inside (d) triangle, bar and arrows
8. 8.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
9. 9.Which drawing is the symbol for an ammeter? (a) a circle with V inside (b) a circle with A inside (c) a small empty box (d) triangle, bar and arrows
10. 10.Which drawing is the symbol for a capacitor? (a) two equal parallel lines (b) a long and a short line (c) a line lifted at a gap (d) a plain rectangle
11. 11.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) neither line (c) the longer line (d) both lines
12. 12.True or false: a circle with a cross is the symbol for a junction. (a) True (b) False
13. 13.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a circle with V inside (c) one tall, one short bar (d) a circle with an X in it
14. 14.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
15. 15.Which drawing is the symbol for a resistor? (a) many long-short pairs (b) two equal parallel lines (c) a small empty box (d) one tall, one short bar
16. 16.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) ammeter (c) cell (d) voltmeter
17. 17.True or false: triangle against a bar is the symbol for a cell. (a) True (b) False
18. 18.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a plain rectangle (c) a circle with A inside (d) a line lifted at a gap
19. 19.True or false: a dot where wires meet is the symbol for a voltmeter. (a) True (b) False
20. 20.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) cell (b) capacitor (c) LED (d) switch
21. 21.True or false: two or more cell symbols is the symbol for a resistor. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) battery (b) motor (c) capacitor (d) voltmeter
23. 23.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) wire (b) LED (c) motor (d) battery
24. 24.True or false: triangle, bar and arrows is the symbol for a resistor. (a) True (b) False
25. 25.Which drawing is the symbol for a voltmeter? (a) a small empty box (b) a long and a short line (c) a straight line (d) a circle with V inside
26. 26.True or false: a circle with A inside is the symbol for a wire. (a) False (b) True
27. 27.True or false: one tall, one short bar is the symbol for a junction. (a) False (b) True
28. 28.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
29. 29.True or false: many long-short pairs is the symbol for a battery. (a) True (b) False
30. 30.True or false: a circle with an X in it is the symbol for an ammeter. (a) True (b) False
31. 31.True or false: a circle with M inside is the symbol for a motor. (a) False (b) True
32. 32.True or false: two or more cell symbols is the symbol for a cell. (a) False (b) True
33. 33.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) switch (c) voltmeter (d) resistor
34. 34.Which drawing is the symbol for a battery? (a) many long-short pairs (b) a line lifted at a gap (c) a circle with A inside (d) one tall, one short bar
35. 35.Which drawing is the symbol for a switch? (a) many long-short pairs (b) a circle with V inside (c) a line lifted at a gap (d) a circle with A inside
36. 36.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) switch (b) wire (c) diode (d) bulb
37. 37.Which drawing is the symbol for a bulb? (a) many long-short pairs (b) a circle with V inside (c) a circle with a cross (d) two equal parallel lines
38. 38.True or false: a straight line is the symbol for a wire. (a) True (b) False
39. 39.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) resistor (c) LED (d) cell
40. 40.True or false: many long-short pairs is the symbol for a diode. (a) True (b) False

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