When electrons bombard the target, ____ of their kinetic energy is converted to heat.

The heel effect is caused by the

The automatic exposure control (AEC) terminates the exposure when

The most widely used support structure for the x-ray tube is the

The x-ray intensity is lower on the anode side of the tube because of the

The target of the rotating anode is usually coated with a ____ alloy.

Faraday’s experiments proved that a current could be induced by a magnetic field only if the field is

Mechanical motion produces electric current in the ____.

The magnetic intensity of an electromagnet is greatly increased by the addition of a(n) ____ core.

The first batteries were made of stacks of ____ and ____ plates sandwiched together.