Block IV Study Guide

Front

What device converts DC power to AC?

Back

Inverter

Front

How is an electrostatic field defined?

Back

A force field that surrounds an electrically charged body.

Front

What factors influence resistance in an electrical circuit?

Back

Area, temperature, length, and material.

Front

What is defined as anything that has mass and volume?

Back

Matter.

Front

What is a resistor that varies current called?

Back

Rheostat.

Front

What is the unit of electrical resistance?

Back

Ohm.

Front

What is the relationship between voltage, current, and resistance known as?

Back

Ohm's Law.

Front

What is the purpose of a capacitor in an electrical circuit?

Back

To store electrical energy.

Front

What is the principle of conservation of charge?

Back

The total electric charge in an isolated system remains constant.

Front

What is the difference between series and parallel circuits?

Back

In series circuits, components are connected end-to-end, while in parallel circuits, components are connected across the same voltage source.