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5_elektrotehnika.md

@@ -490,7 +490,7 @@ layout: image-fill
 
 Nemški znanstvenik Georg Simon Ohm ugotovi, da je **napetost v vezju enaka produktu toka in upornosti**.
 
-$$U = I \cdot R$$
+$$U = R \cdot I$$
 $$I = \frac{U}{R}$$
 $$R = \frac{U}{I}$$
 
@@ -508,7 +508,7 @@ $$R = \frac{U}{I}$$
 
 <div>
 
-$$ R = \frac{U}{I} $$
+$$U = R \cdot I$$
 $$ I = \frac{U}{R} = \frac{12\ V}{25\ \Omega} = 0.48\ A $$
 </div>
 
@@ -522,8 +522,8 @@ $$ I = \frac{U}{R} = \frac{12\ V}{25\ \Omega} = 0.48\ A $$
 
 <div>
 
-$$ R = \frac{U}{I} $$
-$$ U = I \cdot R = 6\ \Omega \cdot 3\ A = 18\ V $$
+$$U = R \cdot I$$
+$$ U = R \cdot I = 6\ \Omega \cdot 3\ A = 18\ V $$
 </div>
 
 ---
@@ -536,7 +536,7 @@ $$ U = I \cdot R = 6\ \Omega \cdot 3\ A = 18\ V $$
 
 <div>
 
-$$ R = \frac{U}{I} $$
+$$U = R \cdot I$$
 $$ R = \frac{U}{I} = \frac{6\ V}{0.5\ \Omega} = 12\ \Omega$$
 </div>
 
@@ -824,6 +824,10 @@ $$ G(dB) = 20 \cdot \log \bigg( \frac{U_2}{U_1} \bigg) = 20 \cdot \log \bigg( \f
 <tr><td>- 20</td><td>0,01</td><td>0,10</td></tr>
 </table>
 
+::bottom::
+
+_1 S enota (na S metru) = 6 dB_
+
 ---
 
 ## Primer