document.write( "Question 1182453: A transformer has a secondary voltage of 140 volts and a secondary current of 3.5 amps. If the primary current is 10 amps, what is the primary voltage? (In this case, the voltages and currents are inversely proportional.) \n" ); document.write( "
Algebra.Com's Answer #812478 by mananth(16946)![]() ![]() You can put this solution on YOUR website! The general formula for voltage current and number of turns in a transformer is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "where N is number of turns is the voltage \n" ); document.write( "I is the current\r \n" ); document.write( "\n" ); document.write( "p is primary coil \n" ); document.write( "s secondary coil\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Vp = 14 *3.5 =49 Volts\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |