Chapter 67 science

 

 

In a step-down transformer, the number of turns of wire is greater in the ____ coil than in the ____ coil, and the ____ voltage exceeds the ____ voltage. 

 

primary, secondary, input, output 

 

A/An galvanometer _ is a device that is used to measure currents. 

 

A/A magnetic domain _ is formed when the magnetic fields of atoms are aligned in the same direction. 

A electric motor is an apparatus that converts electric energy to kinetic energy. 

 

The number of turns on the primary coil of a step-down transformer is greater than the number of turns on the secondary coil. 

 

A step-up transformer has 250 turns on its primary coil and 7000 turns on its secondary coil. The input voltage is 18.0 V. What is the output voltage?  

504 V