Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 546 · 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, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
2. 2.True or false: one tall, one short bar is the symbol for a switch. (a) True (b) False
3. 3.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) diode (b) capacitor (c) ammeter (d) switch
4. 4.True or false: a circle with a cross is the symbol for a battery. (a) False (b) True
5. 5.Which drawing is the symbol for a switch? (a) a straight line (b) a dot where wires meet (c) a line lifted at a gap (d) two equal parallel lines
6. 6.✏️ In a cell symbol, which line is the + terminal? (a) neither line (b) both lines (c) the shorter line (d) the longer line
7. 7.✏️ Why do engineers draw circuits with symbols? (a) to hide the circuit (b) to make it colourful (c) quick and clear for all (d) symbols are heavier
8. 8.True or false: triangle, bar and arrows is the symbol for an LED. (a) True (b) False
9. 9.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) a circle with an X in it
10. 10.Which drawing is the symbol for a resistor? (a) one tall, one short bar (b) a plain rectangle (c) a circle with V inside (d) a long and a short line
11. 11.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
12. 12.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) capacitor (c) wire (d) resistor
13. 13.True or false: a circle with a cross is the symbol for a bulb. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) resistor (b) capacitor (c) battery (d) junction
15. 15.True or false: a line lifted at a gap is the symbol for a cell. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) capacitor (c) resistor (d) wire
17. 17.True or false: a long and a short line is the symbol for a capacitor. (a) True (b) False
18. 18.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) ammeter (b) capacitor (c) cell (d) battery
19. 19.Which drawing is the symbol for a motor? (a) a circle with a cross (b) a circle with V inside (c) triangle, bar and arrows (d) a circle with M inside
20. 20.Which drawing is the symbol for a bulb? (a) a circle with an X in it (b) a circle with V inside (c) a straight line (d) two or more cell symbols
21. 21.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with A inside (c) two or more cell symbols (d) a circle with M inside
22. 22.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) battery (b) voltmeter (c) cell (d) motor
23. 23.True or false: one tall, one short bar is the symbol for a cell. (a) False (b) True
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) wire (b) bulb (c) junction (d) battery
25. 25.Which drawing is the symbol for a junction? (a) a circle with A inside (b) a dot where wires meet (c) triangle, bar and arrows (d) two or more cell symbols
26. 26.True or false: a straight line is the symbol for a switch. (a) False (b) True
27. 27.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) one tall, one short bar (c) two equal parallel lines (d) a small empty box
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) junction (b) ammeter (c) capacitor (d) diode
29. 29.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) wire (b) ammeter (c) switch (d) capacitor
30. 30.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) LED (b) diode (c) motor (d) capacitor
31. 31.True or false: a plain rectangle is the symbol for a voltmeter. (a) False (b) True
32. 32.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) diode (b) switch (c) cell (d) battery
33. 33.Which drawing is the symbol for a capacitor? (a) a circle with an X in it (b) two equal parallel lines (c) two or more cell symbols (d) a dot where wires meet
34. 34.Which drawing is the symbol for a cell? (a) two or more cell symbols (b) a circle with a cross (c) a small empty box (d) one tall, one short bar
35. 35.True or false: many long-short pairs is the symbol for a bulb. (a) True (b) False
36. 36.Which drawing is the symbol for a diode? (a) two or more cell symbols (b) a dot where wires meet (c) many long-short pairs (d) triangle against a bar
37. 37.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) LED (b) ammeter (c) voltmeter (d) battery
38. 38.True or false: two equal parallel lines is the symbol for a wire. (a) False (b) True
39. 39.True or false: two equal parallel lines is the symbol for an LED. (a) True (b) False
40. 40.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) voltmeter (b) battery (c) resistor (d) cell

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