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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 2 A flows through a lamp for 115 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 115 s

  2. 2. A steady current of 6 A flows through a lamp for 100 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 100 s

  3. 3. A steady current of 12 A flows through a lamp for 64 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 64 s

  4. 4. A steady current of 13 A flows through a lamp for 66 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 66 s

  5. 5. A steady current of 3 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 71 s

  6. 6. A steady current of 10 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 26 s

  7. 7. A steady current of 2 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 98 s

  8. 8. A steady current of 13 A flows through a lamp for 29 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 29 s

  9. 9. A steady current of 9 A flows through a lamp for 47 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 47 s

  10. 10. A steady current of 10 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 20 s

  11. 11. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 101 s

  12. 12. A steady current of 8 A flows through a lamp for 114 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 114 s
12 questions · Seed 104740 · 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 2 A flows through a lamp for 115 s. Calculate the total electric charge transferred using Q = It.

    230 C

    Charge Q = current × time = 2 A × 115 s = 230 C.

  2. 2. A steady current of 6 A flows through a lamp for 100 s. Calculate the total electric charge transferred using Q = It.

    600 C

    Charge Q = current × time = 6 A × 100 s = 600 C.

  3. 3. A steady current of 12 A flows through a lamp for 64 s. Calculate the total electric charge transferred using Q = It.

    768 C

    Charge Q = current × time = 12 A × 64 s = 768 C.

  4. 4. A steady current of 13 A flows through a lamp for 66 s. Calculate the total electric charge transferred using Q = It.

    858 C

    Charge Q = current × time = 13 A × 66 s = 858 C.

  5. 5. A steady current of 3 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    213 C

    Charge Q = current × time = 3 A × 71 s = 213 C.

  6. 6. A steady current of 10 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    260 C

    Charge Q = current × time = 10 A × 26 s = 260 C.

  7. 7. A steady current of 2 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    196 C

    Charge Q = current × time = 2 A × 98 s = 196 C.

  8. 8. A steady current of 13 A flows through a lamp for 29 s. Calculate the total electric charge transferred using Q = It.

    377 C

    Charge Q = current × time = 13 A × 29 s = 377 C.

  9. 9. A steady current of 9 A flows through a lamp for 47 s. Calculate the total electric charge transferred using Q = It.

    423 C

    Charge Q = current × time = 9 A × 47 s = 423 C.

  10. 10. A steady current of 10 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    200 C

    Charge Q = current × time = 10 A × 20 s = 200 C.

  11. 11. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    707 C

    Charge Q = current × time = 7 A × 101 s = 707 C.

  12. 12. A steady current of 8 A flows through a lamp for 114 s. Calculate the total electric charge transferred using Q = It.

    912 C

    Charge Q = current × time = 8 A × 114 s = 912 C.

12 questions · Seed 104740 · 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 2 A flows through a lamp for 115 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 115 s

  2. 2. A steady current of 6 A flows through a lamp for 100 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 6 A · t = 100 s

  3. 3. A steady current of 12 A flows through a lamp for 64 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 12 A · t = 64 s

  4. 4. A steady current of 13 A flows through a lamp for 66 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 66 s

  5. 5. A steady current of 3 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 3 A · t = 71 s

  6. 6. A steady current of 10 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 26 s

  7. 7. A steady current of 2 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 2 A · t = 98 s

  8. 8. A steady current of 13 A flows through a lamp for 29 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 13 A · t = 29 s

  9. 9. A steady current of 9 A flows through a lamp for 47 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 9 A · t = 47 s

  10. 10. A steady current of 10 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 10 A · t = 20 s

  11. 11. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 7 A · t = 101 s

  12. 12. A steady current of 8 A flows through a lamp for 114 s. Calculate the total electric charge transferred using Q = It.

    +−R
    I = 8 A · t = 114 s
12 questions · Seed 104740 · 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 2 A flows through a lamp for 115 s. Calculate the total electric charge transferred using Q = It.

    230 C

    Charge Q = current × time = 2 A × 115 s = 230 C.

  2. 2. A steady current of 6 A flows through a lamp for 100 s. Calculate the total electric charge transferred using Q = It.

    600 C

    Charge Q = current × time = 6 A × 100 s = 600 C.

  3. 3. A steady current of 12 A flows through a lamp for 64 s. Calculate the total electric charge transferred using Q = It.

    768 C

    Charge Q = current × time = 12 A × 64 s = 768 C.

  4. 4. A steady current of 13 A flows through a lamp for 66 s. Calculate the total electric charge transferred using Q = It.

    858 C

    Charge Q = current × time = 13 A × 66 s = 858 C.

  5. 5. A steady current of 3 A flows through a lamp for 71 s. Calculate the total electric charge transferred using Q = It.

    213 C

    Charge Q = current × time = 3 A × 71 s = 213 C.

  6. 6. A steady current of 10 A flows through a lamp for 26 s. Calculate the total electric charge transferred using Q = It.

    260 C

    Charge Q = current × time = 10 A × 26 s = 260 C.

  7. 7. A steady current of 2 A flows through a lamp for 98 s. Calculate the total electric charge transferred using Q = It.

    196 C

    Charge Q = current × time = 2 A × 98 s = 196 C.

  8. 8. A steady current of 13 A flows through a lamp for 29 s. Calculate the total electric charge transferred using Q = It.

    377 C

    Charge Q = current × time = 13 A × 29 s = 377 C.

  9. 9. A steady current of 9 A flows through a lamp for 47 s. Calculate the total electric charge transferred using Q = It.

    423 C

    Charge Q = current × time = 9 A × 47 s = 423 C.

  10. 10. A steady current of 10 A flows through a lamp for 20 s. Calculate the total electric charge transferred using Q = It.

    200 C

    Charge Q = current × time = 10 A × 20 s = 200 C.

  11. 11. A steady current of 7 A flows through a lamp for 101 s. Calculate the total electric charge transferred using Q = It.

    707 C

    Charge Q = current × time = 7 A × 101 s = 707 C.

  12. 12. A steady current of 8 A flows through a lamp for 114 s. Calculate the total electric charge transferred using Q = It.

    912 C

    Charge Q = current × time = 8 A × 114 s = 912 C.

12 questions · Seed 104740 · Age guidance, not curriculum certification