exam prep

Question 1

the most frequently known variables are:

Answer 1

Resistance and source voltage

Question 2

Do parallel resistors operate at different voltages?

Answer 2

No

Question 3

A complex circuit is________

Answer 3

A circuit containing two or more resistive loads

Question 4

How many paths are in a series circuit?

Answer 4

One

Question 5

What is each load called in a parallel circuit?

Answer 5

A Branch Circuit

Question 6

What can be calculated with Ohm’s law

Answer 6

Circuit voltage, resistance, and current

Question 7

What is the term used to describe a shortcut around a path in a circuit?

Answer 7

A short circuit

Question 8

what is voltage drop?

Answer 8

Voltage drop is the amount of voltage used by a device when current passes through it

Question 9

In a DC parallel circuit, electrons flow in _______

Answer 9

One Direction

Question 10

Electrons have ________________

Answer 10

Bodies that can be counted

Question 11

Current is:

Answer 11

The flow of electrons through a circuit

Question 12

All electrical sources have ______

Answer 12

Internal resistance

Question 13

In a series circuit, lower resistance creates more_____

Answer 13

Power

Question 14

The total resistance in series circuits is ______

Answer 14

The sum of all resistors

Question 15

The voltage drop in a parallel circuit _______ across each load

Answer 15

Stays the same

Question 16

Zero current flow may indicate an _____ in the circuit

Answer 16

Opening

Question 17

_____ is produced when electrons flow through a wire that has resistance

Answer 17

Heat

Question 18

What is the formula used to calculate voltage drop across a resistor when current and resistance is known?

Answer 18

V=IxR

Question 19

What effect does an opening have on a circuit

Answer 19

It stops the flow of electrons

Question 20

Resistors are available ________

Answer 20

In a variety of power ratings