Solenoids - AP Physics 2

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Question

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

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Answer

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

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Question

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

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Answer

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

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Question

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Tap to reveal answer

Answer

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

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Question

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

Tap to reveal answer

Answer

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

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Question

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Tap to reveal answer

Answer

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

← Didn't Know|Knew It →

Question

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

Tap to reveal answer

Answer

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

← Didn't Know|Knew It →

Question

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Tap to reveal answer

Answer

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

← Didn't Know|Knew It →

Question

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

Tap to reveal answer

Answer

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

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Solenoids - AP Physics 2

Suppose a long solenoid has a current increase from zero to in . The induced EMF magnitude is . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

A transformer is plugged into a household outlet that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is Solving for ,

Suppose a long solenoid has a current increase from zero to in . The induced EMF magnitude is . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

A transformer is plugged into a household outlet that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is Solving for ,

Suppose a long solenoid has a current increase from zero to in . The induced EMF magnitude is . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

A transformer is plugged into a household outlet that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is Solving for ,

Suppose a long solenoid has a current increase from zero to in . The induced EMF magnitude is . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

A transformer is plugged into a household outlet that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is Solving for ,

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,

Suppose a $5\textup{cm}$ long solenoid has a current increase from zero to $2\textup{A}$ in $0.2\textup{s}$ . The induced EMF magnitude is $0.008\textup{V}$ . Find the inductance.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

$L=\frac{\epsilon }{\frac{\Delta I}${\Delta t}}=\frac{\epsilon \Delta t}{\Delta I}$=\frac{(0.008 \textup{V}$)(0.2 \textup{s})}{2 \textup{A}}=0.0008 \textup{H}$

A transformer is plugged into a household outlet $\left ( 120V\right )$ that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?

The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is

Solving for ,