Exam 13: Batteries

The carbon zinc cell is very common because of its

A group of cells that generate energy from an internal chemical reaction is a

Which of the following is an advantage of the nickel-metal-hydride cell?

A lithium cell can provide at least 10 times more energy than the equivalent carbon-zinc cell.

What cells are becoming increasingly unavailable due to the hazards associated with proper disposal after use?

The lead-acid cell cannot be recharged.

A generator with a very low internal resistance is considered a ______________ source.

If a source can maintain a constant output for different values of load current

The internal resistance of a good cell is about

If a battery has a high internal resistance, then the source can maintain constant output voltage for different values of load current.

If there is a short circuit across a generator, its ______________ resistance prevents the current from becoming infinitely high.

Mercury cells are becoming increasingly unavailable due to hazards associated with proper disposal after use.

When a high level of current is necessary, which cell is most commonly used?

A carbon-zinc D cell may operate for only a few hours with a continuous drain at its rated current.

Dry batteries are used in most automobiles.

An internal resistance of 100 ? is considered good for a voltage source cell.

The combination of cells is called a

A method in which a charger and a battery are always connected to each other to supply current to the load is referred to as

What type cell is an electrochemical device that converts hydrogen and oxygen into water and in the process produces electricity?

A device for converting chemical energy into electrical energy is a