EWIT Battery Basics

Front

What is a conductor?

Back

A material that allows electricity to flow through it, such as metals.

Front

What device is used to measure current in a circuit?

Back

Ammeter.

Front

What is a battery?

Back

A device that converts chemical energy into electrical energy.

Front

Who is credited with inventing the light bulb?

Back

Thomas Edison, not Ben Franklin.

Front

What variable is plotted on the Y-axis of a graph?

Back

Dependent variable.

Front

What is an insulator?

Back

A material that does not allow electricity to flow through it, such as rubber or glass.

Front

What is the function of a voltmeter?

Back

A device used to measure the voltage across two points in a circuit.

Front

What is the difference between an open circuit and a closed circuit?

Back

An open circuit has a break that prevents current from flowing, while a closed circuit allows current to flow.

Front

What is Ohm's Law?

Back

The relationship between voltage (V), current (I), and resistance (R) in a circuit, expressed as V = I × R.

Front

What is a series circuit?

Back

A circuit in which components are connected end-to-end, so the current flows through each component in turn.