Science

The unit of measurement for the rate of work done by an electric current is the _______.

Homes are protected from ______ of electric wires by fuses and circuit breakers.

The ampere is the unit for measuring rate, or _______ of flow, of a current.

________ of a conductor is measured in units called ohms.

Every conducter ________ the flow of electricity.

The greater the _____ of a wire, the greater the current it can carry.

The _______ measures voltage.

Energy can be _______ only by God.

The pushing force of current is measured in _____.

Nuclear reactors ______ no fossil fuel.

Every generator has an _________.

Samuel_________ invented the telegraph.

Count ________ invented the first chemical cell.

A strong electromagnet can actually pick up a/an ___________.

The telegraph was the first useful invention to use the (wire, electromagnet, motor).

An electric motor covert __________ energy into mechanical energy.

One of the most important uses of electricity is __________.

The air in the light bulb is replaced with a gas called ____.

An incandescent bulb uses a _______________ filament.

With each half rotation of the coil in a generator, the electric current __________ its direction.

The simplest type of current electricity is ___ current.

In the United States, most alternating current is _______-cycle current.

Alternating circuit is produced by a ____.

A direct current flows and never changes __________.

The type of circuit in your home is a ________circuit.

A series circuit _____________ the amount of voltage among the items in the circuit.

An interrupted circuit is called an ____ circuit.

Series circuits are helpful when connecting ___________ cells together.

A generator uses a (closed, magnetic, open) field to produce an electric current.

We can make a ____ circuit by connecting several items along the path of the conducting wire.

A ____ circuit is a pathway along which electricity can flow.

A car battery contains _________ and lead oxide plates in an acid solution.