A current of 5 A is drawn by a filament of an electric bulb for 2 minutes. Find the amount of electric charge that flows through the circuit

  1. 300 C
  2. 450 C
  3. 600 C
  4. 100 C

Answer (Detailed Solution Below)

Option 3 : 600 C
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Detailed Solution

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CONCEPT:

  • Electric charge: It is an intrinsic property of the elementary particles of matter which gives rise to electric force between various objects.

It is a scalar quantity.

  • SI unit of electric charge is coulomb (C).
  • The total charge on the conductor is given by q = It, when current flows through the conductor for some time.

Where I = current and t = time

CALCULATION:

Given - I = 5 A and t = 2 min = 120 s

  • The total charge on the conductor is given by q = It

⇒ Q = It

⇒ Q = 5 × 120 = 600 C

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