Question

calculate the total no. of electrons flowing
through a circuit in10 minutes 30 second .if a
current of 50 microampere flows through
electric circuit

Answer 1

♦A current of 0.08A passes in a circuit for 2.5 minutes. How much charge passes through a point in the circuit?

Supposing that the current is DC and strictly constant:

♦0.08 A = 0.08 Coulomb/second

♦in 2.5 minutes:

♦2.5 minutes x 60 seconds/minute = 150 seconds

♦So, in 150 seconds (2.5 minutes) the net load passing trough a point in the circuit is:

♦Net Charge = 150 second x 0.08 Coulomb/second = 12 Coulomb

♦So, the net charge is 12 Coulomb.

Answer 2

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Let us take the current is DC and strictly constant:

♦0.08 A = 0.08 Coulomb/second

♦in 2.5 minutes:

♦2.5 minutes x 60 seconds/minute = 150 seconds

♦So, in 150 seconds (2.5 minutes) the net load passing trough a point in the circuit is:

♦Net Charge = 150 second x 0.08 Coulomb/second = 12 Coulomb

♦So, the net charge is 12 Coulomb.