Edit to “Solution”
en/9.1.1.md
+1 −1
| ### Statement | |||
| $9.1.1.$ A force of 15 N acts on a linear conductor of length $10$ cm, located perpendicular to a magnetic field, if the current in the conductor is $1.5$ A. Find the induction of the magnetic field. | |||
| @@ -4,8 +4,8 @@Statement | |||
| ### Solution | |||
| − | We find the Ampere force as $$ \vec{F} = (\vec{Il})\times \vec{B} $$ In scalar form, this expression can be rewritten as $$ F = B\cdot Il \cdot \sin\alpha | ||
| + | We find the Ampere force as $$ \vec{F} = (\vec{Il})\times \vec{B} $$ In scalar form, this expression can be rewritten as $$ F = B\cdot Il \cdot \sin\alpha\tag{1} $$ since the field is perpendicular to the current element, then $$ \alpha =90^{\circ};\quad \sin\alpha =1 $$ From here, we rewrite the expression $(1)$ as $$ F = B \cdot Il \Rightarrow \boxed{B = \frac{F}{Il} = 100\text{ T}} $$ | ||
| #### Answer | |||
| $$B = \frac{F}{Il} = 100\text{ T}$$ | |||
| ### Statement | ### Statement | ||
| $9.1.1.$ A force of 15 N acts on a linear conductor of length $10$ cm, located perpendicular to a magnetic field, if the current in the conductor is $1.5$ A. Find the induction of the magnetic field. | $9.1.1.$ A force of 15 N acts on a linear conductor of length $10$ cm, located perpendicular to a magnetic field, if the current in the conductor is $1.5$ A. Find the induction of the magnetic field. | ||
| @@ -4,8 +4,8 @@Statement | |||
| ### Solution | ### Solution | ||
| We find the Ampere force as $$ \vec{F} = (\vec{Il})\times \vec{B} $$ In scalar form, this expression can be rewritten as $$ F = B\cdot Il \cdot \sin\alpha |
We find the Ampere force as $$ \vec{F} = (\vec{Il})\times \vec{B} $$ In scalar form, this expression can be rewritten as $$ F = B\cdot Il \cdot \sin\alpha\tag{1} $$ since the field is perpendicular to the current element, then $$ \alpha =90^{\circ};\quad \sin\alpha =1 $$ From here, we rewrite the expression $(1)$ as $$ F = B \cdot Il \Rightarrow \boxed{B = \frac{F}{Il} = 100\text{ T}} $$ | ||
| #### Answer | #### Answer | ||
| $$B = \frac{F}{Il} = 100\text{ T}$$ | $$B = \frac{F}{Il} = 100\text{ T}$$ | ||