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ScienceAges 13-15

Electric charge & current (Q = It)

Use Q = It to calculate electric charge in coulombs from steady current and time. Review suitability for your learners before teaching.

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Age band:Ages 13-15Ages 16-18

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Worksheet StudioPractice pack · Ages 13-15

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 14 A flows through a lamp for 37 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 37 s

  2. 2. A steady current of 15 A flows through a lamp for 61 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 61 s

  3. 3. A steady current of 13 A flows through a lamp for 74 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 74 s

  4. 4. A steady current of 4 A flows through a lamp for 32 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 4 A · t = 32 s

  5. 5. A steady current of 9 A flows through a lamp for 92 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 92 s

  6. 6. A steady current of 11 A flows through a lamp for 27 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 27 s

  7. 7. A steady current of 7 A flows through a lamp for 86 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 86 s

  8. 8. A steady current of 13 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 98 s

  9. 9. A steady current of 8 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 30 s

  10. 10. A steady current of 1 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 65 s

  11. 11. A steady current of 15 A flows through a lamp for 22 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 22 s

  12. 12. A steady current of 15 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 72 s
12 questions · Seed 104739 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 13-15

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 14 A flows through a lamp for 37 s. Calculate the total electric charge transferred using Q = It.

    518 C

    Charge Q = current × time = 14 A × 37 s = 518 C.

  2. 2. A steady current of 15 A flows through a lamp for 61 s. Calculate the total electric charge transferred using Q = It.

    915 C

    Charge Q = current × time = 15 A × 61 s = 915 C.

  3. 3. A steady current of 13 A flows through a lamp for 74 s. Calculate the total electric charge transferred using Q = It.

    962 C

    Charge Q = current × time = 13 A × 74 s = 962 C.

  4. 4. A steady current of 4 A flows through a lamp for 32 s. Calculate the total electric charge transferred using Q = It.

    128 C

    Charge Q = current × time = 4 A × 32 s = 128 C.

  5. 5. A steady current of 9 A flows through a lamp for 92 s. Calculate the total electric charge transferred using Q = It.

    828 C

    Charge Q = current × time = 9 A × 92 s = 828 C.

  6. 6. A steady current of 11 A flows through a lamp for 27 s. Calculate the total electric charge transferred using Q = It.

    297 C

    Charge Q = current × time = 11 A × 27 s = 297 C.

  7. 7. A steady current of 7 A flows through a lamp for 86 s. Calculate the total electric charge transferred using Q = It.

    602 C

    Charge Q = current × time = 7 A × 86 s = 602 C.

  8. 8. A steady current of 13 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    1274 C

    Charge Q = current × time = 13 A × 98 s = 1274 C.

  9. 9. A steady current of 8 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    240 C

    Charge Q = current × time = 8 A × 30 s = 240 C.

  10. 10. A steady current of 1 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    65 C

    Charge Q = current × time = 1 A × 65 s = 65 C.

  11. 11. A steady current of 15 A flows through a lamp for 22 s. Calculate the total electric charge transferred using Q = It.

    330 C

    Charge Q = current × time = 15 A × 22 s = 330 C.

  12. 12. A steady current of 15 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    1080 C

    Charge Q = current × time = 15 A × 72 s = 1080 C.

12 questions · Seed 104739 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 13-15

Electric charge & current (Q = It)

Take your time. Show your thinking.

  1. 1. A steady current of 14 A flows through a lamp for 37 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 14 A · t = 37 s

  2. 2. A steady current of 15 A flows through a lamp for 61 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 61 s

  3. 3. A steady current of 13 A flows through a lamp for 74 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 74 s

  4. 4. A steady current of 4 A flows through a lamp for 32 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 4 A · t = 32 s

  5. 5. A steady current of 9 A flows through a lamp for 92 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 92 s

  6. 6. A steady current of 11 A flows through a lamp for 27 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 11 A · t = 27 s

  7. 7. A steady current of 7 A flows through a lamp for 86 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 86 s

  8. 8. A steady current of 13 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 98 s

  9. 9. A steady current of 8 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 30 s

  10. 10. A steady current of 1 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 1 A · t = 65 s

  11. 11. A steady current of 15 A flows through a lamp for 22 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 22 s

  12. 12. A steady current of 15 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 15 A · t = 72 s
12 questions · Seed 104739 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 13-15

Electric charge & current (Q = It)

Answers and reasoning. Review before teaching.

  1. 1. A steady current of 14 A flows through a lamp for 37 s. Calculate the total electric charge transferred using Q = It.

    518 C

    Charge Q = current × time = 14 A × 37 s = 518 C.

  2. 2. A steady current of 15 A flows through a lamp for 61 s. Calculate the total electric charge transferred using Q = It.

    915 C

    Charge Q = current × time = 15 A × 61 s = 915 C.

  3. 3. A steady current of 13 A flows through a lamp for 74 s. Calculate the total electric charge transferred using Q = It.

    962 C

    Charge Q = current × time = 13 A × 74 s = 962 C.

  4. 4. A steady current of 4 A flows through a lamp for 32 s. Calculate the total electric charge transferred using Q = It.

    128 C

    Charge Q = current × time = 4 A × 32 s = 128 C.

  5. 5. A steady current of 9 A flows through a lamp for 92 s. Calculate the total electric charge transferred using Q = It.

    828 C

    Charge Q = current × time = 9 A × 92 s = 828 C.

  6. 6. A steady current of 11 A flows through a lamp for 27 s. Calculate the total electric charge transferred using Q = It.

    297 C

    Charge Q = current × time = 11 A × 27 s = 297 C.

  7. 7. A steady current of 7 A flows through a lamp for 86 s. Calculate the total electric charge transferred using Q = It.

    602 C

    Charge Q = current × time = 7 A × 86 s = 602 C.

  8. 8. A steady current of 13 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    1274 C

    Charge Q = current × time = 13 A × 98 s = 1274 C.

  9. 9. A steady current of 8 A flows through a lamp for 30 s. Calculate the total electric charge transferred using Q = It.

    240 C

    Charge Q = current × time = 8 A × 30 s = 240 C.

  10. 10. A steady current of 1 A flows through a lamp for 65 s. Calculate the total electric charge transferred using Q = It.

    65 C

    Charge Q = current × time = 1 A × 65 s = 65 C.

  11. 11. A steady current of 15 A flows through a lamp for 22 s. Calculate the total electric charge transferred using Q = It.

    330 C

    Charge Q = current × time = 15 A × 22 s = 330 C.

  12. 12. A steady current of 15 A flows through a lamp for 72 s. Calculate the total electric charge transferred using Q = It.

    1080 C

    Charge Q = current × time = 15 A × 72 s = 1080 C.

12 questions · Seed 104739 · Age guidance, not curriculum certification