It is the property of a conductor that opposes or controls the flow of charges.

(a)  

The diameter of a wire is used to determine its cross-sectional area. This cross-sectional area is also called the (a)   .

It is the process wherein electrical energy produces a magnetic field.

(a)  

An (a)   consists of a metal core with wound wire and the current flowing through it.

It is a reflected sound.

(a)  

SONAR stands for __ __ __ __.

(a)  

It is the bending of sound as it travels through different media.

(a)  

True or False. Refraction is the reason we hear sound clearer during the night than during the day.

(a)  

True or False. The resistance of a wire is also affected by the length, diameter, and kind of wire used. As the length of the wire increases, its resistance also increases.

(a)