Question

1. An electrical bulb drws a current of 1.25 A
for 10 mins. Calculate the amount of electric
charge that flows through the circuit?
Explain in detail


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Answer 1

Answer:

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Answer 2

Answer :

• ›»› The amount of electric charge that flows through the circuit is 750 Coulombs (C).

Explanation :

Given :

• Electric current = 1.25 A.
• Time = 10 mins.

To Find :

• Electric charge that flows through current = ?

Formula required :

• Formula to calculate the amount of electric charge that flows through current is given by,

→ I = Q/t.

Here,

• I is the Electric current.
• Q is the Electric charge.
• t is the Time.

Units,

• The unit of Electric current is Ampere (A).
• The unit of Electric charge is Coulomb (C).
• The unit of Time is second.

Solution :

• Firstly we will convert the unit of time from minutes to seconds.

• → Time = 10 mins
• → 1 mins = 60 secs
• → Time = 10 × 60
• → Time = 600.

• We know that, if we are given with the electric charge and time then we have the required formula, that is,

→ I = Q/t.

• By using the formula to calculate the amount of electric charge that flows through current and substituting all the given values in the formula, we get :
• → 1.25 = Q/600
• → Q = 1.25 × 600
• → Q = 125/100 × 600
• → Q = 125 × 6
• → Q = 750.

Hence, the amount of electric charge that flows through the circuit is 750 Coulombs (C).