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Finding the Number of Electrons that Pass Through a Conductor with a Known Current in Some Time Interval

  • 1.

    Calculate the number of electrons passing through the cross-section of a conductor if {eq}2 \ \rm C/s {/eq} of charge flows through it for {eq}5 {/eq} seconds.

    Answers:

    • {eq}5.14 \times 10^{19} {/eq}

    • {eq}6.25 \times 10^{19} {/eq}

    • {eq}2.23 \times 10^{19} {/eq}

    • {eq}5.26 \times 10^{19} {/eq}

  • 2.

    How many electrons will pass through a conductor in {eq}2 {/eq} seconds if {eq}3 \ \rm C/s {/eq} of charge flows through it?

    Answers:

    • {eq}2.25 \times 10^{19} {/eq}

    • {eq}3.75 \times 10^{19} {/eq}

    • {eq}6.25 \times 10^{19} {/eq}

    • {eq}4.15 \times 10^{19} {/eq}

  • 3.

    Determine the number of electrons passing through a conductor if in {eq}5 {/eq} seconds if {eq}4 \ \rm C/s {/eq} of charge flows through.

    Answers:

    • {eq}1.25 \times 10^{20} {/eq}

    • {eq}3.25 \times 10^{20} {/eq}

    • {eq}6.25 \times 10^{20} {/eq}

    • {eq}5.25 \times 10^{20} {/eq}

  • 4.

    If {eq}5.2 \ \rm C/s {/eq} of charge is flowing through a conductor, how many electrons will through it in {eq}10 {/eq} seconds?

    Answers:

    • {eq}3.25 \times 10^{20} {/eq}

    • {eq}5.19 \times 10^{20} {/eq}

    • {eq}6.18 \times 10^{20} {/eq}

    • {eq}3.75 \times 10^{20} {/eq}

  • 5.

    Choose the correct option. What will be the number of electrons flowing through a conductor in {eq}13 {/eq} seconds if the charge flowing through the conductor is {eq}6 \ \rm C/s? {/eq}

    Answers:

    • {eq}5.23 \times 10^{20} {/eq}

    • {eq}6.14 \times 10^{20} {/eq}

    • {eq}5.29 \times 10^{20} {/eq}

    • {eq}4.88 \times 10^{20} {/eq}

  • 6.

    Estimate the number of electrons flowing through a conductor in {eq}12 {/eq} seconds when it is known that the change flowing through the conductor is {eq}10 \ \rm C/s {/eq}.

    Answers:

    • {eq}7.50 \times 10^{20} {/eq}

    • {eq}6.28 \times 10^{20} {/eq}

    • {eq}5.60 \times 10^{20} {/eq}

    • {eq}2.90 \times 10^{20} {/eq}

  • 7.

    The number of electrons flowing through a conductor wire is {eq}\underline{\hspace{2cm}} {/eq} in {eq}8 {/eq} seconds if {eq}15 \ \rm C/s {/eq} of charge flows through the wire.

    Answers:

    • {eq}6.50 \times 10^{20} {/eq}

    • {eq}7.50 \times 10^{20} {/eq}

    • {eq}5.50 \times 10^{20} {/eq}

    • {eq}7.00 \times 10^{20} {/eq}

  • 8.

    Fill in the blank with the help of the given options.

    If {eq}12 \ \rm C/s {/eq} of charge flows through a copper wire, {eq}\underline{\hspace{2cm}} {/eq} electrons will flow through it in {eq}7 {/eq} seconds.

    Answers:

    • {eq}4.25 \times 10^{20} {/eq}

    • {eq}6.25 \times 10^{20} {/eq}

    • {eq}7.25 \times 10^{20} {/eq}

    • {eq}5.25 \times 10^{20} {/eq}

  • 9.

    In an experiment, {eq}13 \ \rm C/s {/eq} of charge flows through the conductor wire. Work out the number of electrons flowing that flows through the conductor in {eq}20 {/eq} seconds.

    Answers:

    • {eq}1.62 \times 10^{21} {/eq}

    • {eq}2.53 \times 10^{21} {/eq}

    • {eq}2.63 \times 10^{21} {/eq}

    • {eq}2.23 \times 10^{21} {/eq}

  • 10.

    Figure out how many electrons will flow through an aluminum wire in {eq}20 {/eq} seconds. It is given that {eq}25 \ \rm C/s {/eq} of charge flows through the wire.

    Answers:

    • {eq}5.13 \times 10^{21} {/eq}

    • {eq}3.12 \times 10^{21} {/eq}

    • {eq}2.13 \times 10^{21} {/eq}

    • {eq}4.13 \times 10^{21} {/eq}

  • 11.

    Calculate the number of electrons passing through the cross-section of a conductor if {eq}5 \ \rm C/s {/eq} of charge flows through it for {eq}10 {/eq} seconds.

    Answers:

    • {eq}5.68 \times 10^{20} {/eq}

    • {eq}3.12 \times 10^{20} {/eq}

    • {eq}1.59 \times 10^{20} {/eq}

    • {eq}4.25 \times 10^{20} {/eq}

  • 12.

    How many electrons will pass through a conductor in {eq}14 {/eq} seconds if {eq}7 \ \rm C/s {/eq} charge flows through it?

    Answers:

    • {eq}6.12 \times 10^{20} {/eq}

    • {eq}8.87 \times 10^{20} {/eq}

    • {eq}4.98 \times 10^{20} {/eq}

    • {eq}4.56 \times 10^{20} {/eq}

  • 13.

    Determine the number of electrons passing through a conductor if in {eq}16 {/eq} seconds {eq}8 \ \rm C/s {/eq} of charge flows through.

    Answers:

    • {eq}7.00 \times 10^{20} {/eq}

    • {eq}8.00 \times 10^{20} {/eq}

    • {eq}9.00 \times 10^{20} {/eq}

    • {eq}6.00 \times 10^{20} {/eq}

  • 14.

    If {eq}5 \ \rm C/s {/eq} of charge is flowing through a conductor, how many electrons will through it in {eq}15 {/eq} seconds?

    Answers:

    • {eq}5.39 \times 10^{20} {/eq}

    • {eq}1.29 \times 10^{20} {/eq}

    • {eq}2.59 \times 10^{20} {/eq}

    • {eq}4.69 \times 10^{20} {/eq}

  • 15.

    Choose the correct option. What will be the number of electrons flowing through a conductor in {eq}24 {/eq} seconds if the charge flowing through the conductor is {eq}12 \ \rm C/s? {/eq}

    Answers:

    • {eq}2.63 \times 10^{21} {/eq}

    • {eq}1.80 \times 10^{21} {/eq}

    • {eq}1.87 \times 10^{21} {/eq}

    • {eq}6.98 \times 10^{21} {/eq}

  • 16.

    Estimate the number of electrons flowing through a conductor in {eq}14 {/eq} seconds when it is known that the change flowing through the conductor is {eq}14 \ \rm C/s {/eq}.

    Answers:

    • {eq}2.63 \times 10^{21} {/eq}

    • {eq}1.43 \times 10^{21} {/eq}

    • {eq}1.22 \times 10^{21} {/eq}

    • {eq}2.92 \times 10^{21} {/eq}

  • 17.

    The number of electrons flowing through a conductor wire is {eq}\underline{\hspace{2cm}} {/eq} in {eq}6 {/eq} seconds if {eq}12 \ \rm C/s {/eq} of charge flows through the wire.

    Answers:

    • {eq}4.20 \times 10^{20} {/eq}

    • {eq}4.98 \times 10^{20} {/eq}

    • {eq}4.65 \times 10^{20} {/eq}

    • {eq}4.50 \times 10^{20} {/eq}

  • 18.

    Fill in the blank with the help of the given options.

    If {eq}50 \ \rm C/s {/eq} of charge flows through a copper wire, {eq}\underline{\hspace{2cm}} {/eq} electrons will flow through it in {eq}10 {/eq} seconds.

    Answers:

    • {eq}8.87 \times 10^{21} {/eq}

    • {eq}3.12 \times 10^{21} {/eq}

    • {eq}1.42 \times 10^{21} {/eq}

    • {eq}4.93 \times 10^{21} {/eq}

  • 19.

    In an experiment, {eq}25 \ \rm C/s {/eq} charge flows through the conductor wire. Work out the number of electrons flowing that flows through the conductor in {eq}50 {/eq} seconds.

    Answers:

    • {eq}8.98 \times 10^{21} {/eq}

    • {eq}6.65 \times 10^{21} {/eq}

    • {eq}7.81 \times 10^{21} {/eq}

    • {eq}4.32 \times 10^{21} {/eq}

  • 20.

    Figure out how many electrons will flow through an aluminum wire in {eq}13 {/eq} seconds. It is given that {eq}23 \ \rm C/s {/eq} charge flows through the wire.

    Answers:

    • {eq}2.87 \times 10^{21} {/eq}

    • {eq}1.87 \times 10^{21} {/eq}

    • {eq}4.57 \times 10^{21} {/eq}

    • {eq}5.64 \times 10^{21} {/eq}

  • 21.

    Calculate the number of electrons passing through the cross-section of a conductor if {eq}25 \ \rm C/s {/eq} charge flows through it for {eq}15 {/eq} seconds.

    Answers:

    • {eq}2.34 \times 10^{21} {/eq}

    • {eq}3.69 \times 10^{21} {/eq}

    • {eq}4.68 \times 10^{21} {/eq}

    • {eq}1.54 \times 10^{21} {/eq}

  • 22.

    How many electrons will pass through the conductor in {eq}20 {/eq} seconds if {eq}40 \ \rm C/s {/eq} charge flows through it?

    Answers:

    • {eq}5.99 \times 10^{21} {/eq}

    • {eq}5.24 \times 10^{21} {/eq}

    • {eq}5.00 \times 10^{21} {/eq}

    • {eq}5.68 \times 10^{21} {/eq}

  • 23.

    Determine the number of electrons passing through a conductor if in {eq}9 {/eq} seconds {eq}12 \ \rm C/s {/eq} charge flows through.

    Answers:

    • {eq}6.75 \times 10^{20} {/eq}

    • {eq}5.96 \times 10^{20} {/eq}

    • {eq}7.65 \times 10^{20} {/eq}

    • {eq}8.82 \times 10^{20} {/eq}

  • 24.

    If {eq}16 \ \rm C/s {/eq} charge is flowing through a conductor, how many electrons will move through it in {eq}12 {/eq} seconds?

    Answers:

    • {eq}4.22 \times 10^{21} {/eq}

    • {eq}1.20 \times 10^{21} {/eq}

    • {eq}6.35 \times 10^{21} {/eq}

    • {eq}5.65 \times 10^{21} {/eq}

  • 25.

    Choose the correct option. What will be the number of electrons flowing through a conductor in {eq}10 {/eq} seconds if the charge flowing through the conductor is {eq}8 \ \rm C/s? {/eq}

    Answers:

    • {eq}5.00 \times 10^{20} {/eq}

    • {eq}5.65 \times 10^{20} {/eq}

    • {eq}5.90 \times 10^{20} {/eq}

    • {eq}5.82 \times 10^{20} {/eq}

  • 26.

    Estimate the number of electrons flowing through a conductor in {eq}9 {/eq} seconds when it is known that the change flowing through the conductor is {eq}3 \ \rm C/s {/eq}.

    Answers:

    • {eq}4.85 \times 10^{20} {/eq}

    • {eq}2.65 \times 10^{20} {/eq}

    • {eq}1.69 \times 10^{20} {/eq}

    • {eq}5.29 \times 10^{20} {/eq}

  • 27.

    The number of electrons flowing through a conducting wire is {eq}\underline{\hspace{2cm}} {/eq} in {eq}13 {/eq} seconds if {eq}16 \ \rm C/s {/eq} of charge flows through the wire.

    Answers:

    • {eq}2.49 \times 10^{21} {/eq}

    • {eq}5.26 \times 10^{21} {/eq}

    • {eq}8.25 \times 10^{21} {/eq}

    • {eq}1.30 \times 10^{21} {/eq}

  • 28.

    Fill in the blank with the help of the given options.

    If {eq}52 \ \rm C/s {/eq} of charge flows through a copper wire, {eq}\underline{\hspace{2cm}} {/eq} electrons will flow through it in {eq}13 {/eq} seconds.

    Answers:

    • {eq}4.88 \times 10^{21} {/eq}

    • {eq}4.39 \times 10^{21} {/eq}

    • {eq}4.22 \times 10^{21} {/eq}

    • {eq}4.01 \times 10^{21} {/eq}

  • 29.

    In an experiment, {eq}36 \ \rm C/s {/eq} charge flows through the conductor wire. Work out the number of electrons flowing that flows through the conductor in {eq}12 {/eq} seconds.

    Answers:

    • {eq}5.55 \times 10^{21} {/eq}

    • {eq}3.69 \times 10^{21} {/eq}

    • {eq}2.70 \times 10^{21} {/eq}

    • {eq}1.20 \times 10^{21} {/eq}

  • 30.

    Figure out how many electrons will flow through an aluminum wire in {eq}24 {/eq} seconds. It is given that {eq}48 \ \rm C/s {/eq} charge flows through the wire.

    Answers:

    • {eq}3.65 \times 10^{21} {/eq}

    • {eq}5.54 \times 10^{21} {/eq}

    • {eq}7.20 \times 10^{21} {/eq}

    • {eq}2.63 \times 10^{21} {/eq}

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