Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 549 · 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 circle with a cross? (a) voltmeter (b) bulb (c) battery (d) ammeter
2. 2.Which drawing is the symbol for a motor? (a) a dot where wires meet (b) a circle with M inside (c) a long and a short line (d) a small empty box
3. 3.Which drawing is the symbol for a diode? (a) a circle with an X in it (b) triangle against a bar (c) a small empty box (d) a dot where wires meet
4. 4.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) switch (b) voltmeter (c) cell (d) bulb
5. 5.✏️ Why do engineers draw circuits with symbols? (a) to make it colourful (b) to hide the circuit (c) quick and clear for all (d) symbols are heavier
6. 6.Which drawing is the symbol for a bulb? (a) a small empty box (b) a circle with V inside (c) one tall, one short bar (d) a circle with an X in it
7. 7.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) junction (b) resistor (c) battery (d) cell
8. 8.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) wire (b) resistor (c) bulb (d) voltmeter
9. 9.Which drawing is the symbol for a capacitor? (a) a long and a short line (b) triangle against a bar (c) two equal parallel lines (d) a circle with a cross
10. 10.Which drawing is the symbol for a voltmeter? (a) a circle with an X in it (b) a straight line (c) a circle with V inside (d) triangle, bar and arrows
11. 11.Which drawing is the symbol for a battery? (a) a line lifted at a gap (b) two or more cell symbols (c) a straight line (d) a circle with M inside
12. 12.Which drawing is the symbol for an ammeter? (a) a circle with a cross (b) a straight line (c) a plain rectangle (d) a circle with A inside
13. 13.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) the longer line (d) neither line
14. 14.Which drawing is the symbol for a junction? (a) a dot where wires meet (b) a circle with an X in it (c) one tall, one short bar (d) two or more cell symbols
15. 15.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
16. 16.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) battery (b) switch (c) diode (d) resistor
17. 17.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) capacitor (c) battery (d) wire
18. 18.✏️ In a circuit diagram, wires are usually drawn as … (a) little stars (b) wavy lines (c) dotted circles (d) straight lines
19. 19.Which drawing is the symbol for a bulb? (a) a long and a short line (b) a circle with a cross (c) triangle, bar and arrows (d) a small empty box
20. 20.True or false: a circle with M inside is the symbol for a resistor. (a) True (b) False
21. 21.True or false: a circle with V inside is the symbol for a motor. (a) True (b) False
22. 22.True or false: a circle with an X in it is the symbol for a bulb. (a) False (b) True
23. 23.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) ammeter (b) cell (c) capacitor (d) diode
24. 24.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
25. 25.✏️ In a circuit diagram, which part is drawn as a straight line? (a) junction (b) voltmeter (c) wire (d) ammeter
26. 26.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) LED (b) capacitor (c) switch (d) diode
27. 27.True or false: two or more cell symbols is the symbol for an ammeter. (a) False (b) True
28. 28.True or false: triangle, bar and arrows is the symbol for an LED. (a) False (b) True
29. 29.Which drawing is the symbol for a switch? (a) a dot where wires meet (b) one tall, one short bar (c) two or more cell symbols (d) a line lifted at a gap
30. 30.True or false: triangle against a bar is the symbol for a diode. (a) False (b) True
31. 31.Which drawing is the symbol for a cell? (a) a long and a short line (b) a straight line (c) a circle with V inside (d) a circle with M inside
32. 32.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) LED (b) diode (c) resistor (d) ammeter
33. 33.True or false: a circle with a cross is the symbol for an LED. (a) True (b) False
34. 34.True or false: a circle with an X in it is the symbol for a voltmeter. (a) False (b) True
35. 35.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) two or more cell symbols (c) a small empty box (d) a circle with V inside
36. 36.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) diode (b) voltmeter (c) motor (d) cell
37. 37.True or false: a long and a short line is the symbol for a motor. (a) True (b) False
38. 38.Which drawing is the symbol for an LED? (a) triangle, bar and arrows (b) a circle with M inside (c) a line lifted at a gap (d) a circle with V inside
39. 39.True or false: a circle with V inside is the symbol for a diode. (a) True (b) False
40. 40.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) quick and clear for all (c) to make it colourful (d) to hide the circuit

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