Solenoids - AP Physics 2
Card 1 of 8
Suppose a
long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Suppose a long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Tap to reveal answer
Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.
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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?
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?
Tap to reveal 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
,

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 →
Suppose a
long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Suppose a long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Tap to reveal answer
Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.
← Didn't Know|Knew It →
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?
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?
Tap to reveal 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
,

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 →
Suppose a
long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Suppose a long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Tap to reveal answer
Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.
← Didn't Know|Knew It →
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?
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?
Tap to reveal 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
,

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 →
Suppose a
long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Suppose a long solenoid has a current increase from zero to
in
. The induced EMF magnitude is
. Find the inductance.
Tap to reveal answer
Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.

Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.
← Didn't Know|Knew It →
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?
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?
Tap to reveal 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
,

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 →