Deck 13: Designing Electrical Systems

Question 1

____ is a measure of energy that can be imparted to a charge.

A) Voltage
B) Resistance
C) Current
D) Inductance

Answer 1

A

Question 2

The first ____________________ was the Leyden jar.It was created using a thin foil of metal on the inside of a glass jar and another thin foil of metal wrapped around the outside of the jar.

Answer 2

capacitor

Question 3

____________________ are,by far,the most widely used electrical component.

Answer 3

Resistors

Question 4

Capacitors are a linear component,in that the relationship between the voltage and current through a capacitor is a simple one.

Question 5

There are two general classifications of processors: (i)analog and (ii)____.

A) linear
B) digital
C) binary
D) mathematical

Question 6

Inductance is measured in ____.

A) farads
B) volts
C) amperes
D) Henrys

Question 7

____ are so named since they were designed to perform arithmetic calculations such as addition and multiplication.

A) Transistors
B) Inverters
C) Opamps
D) 555-timers

Question 8

A bipolar ____________________ has three leads: the emitter (e),the base (b),and the collector (c).

Question 9

A common material used as an insulator of electricity is copper.

Question 10

No material conducts electric charges perfectly,so even good conductors exhibit some resistance to the flow of charge.

Question 11

It is easy to represent ____________________ numbers,1s and 0s,in electrical circuits.

Question 12

Magnetic fields are created by ____ charge.

A) stationary
B) resistive
C) moving
D) negative

Question 13

Microprocessors are all about ____ and its management.

A) the ALU
B) the CPU
C) I/O
D) memory

Question 14

____ laws are often referred to as the conservation laws.

A) Leyden's
B) Kirchhoff's
C) Ohm's
D) Volta's

Question 15

A very important similarity between gravitational and electric forces is that they are both governed by an inverse ____ law.

A) linear
B) exponential
C) square
D) cube

Question 16

Output devices that cause movement are called ____.

A) actuators
B) inducers
C) diodes
D) capacitors

Question 17

A(n)____________________ is a material that allows the flow of charge (typically,but not always,electrons).

Question 18

There are only four basic logic operations: INVERT,AND,OR,and NOR.

Question 19

The CPU holds all of the basic logical instructions necessary for the microprocessor to work.

Question 20

The electrical ____ is the mathematical inverse of electrical conductivity.

A) resistivity
B) capacitance
C) inductance
D) current

Question 21

Give three formulas for electrical power.

Question 22

In a circuit with a 9 V battery and a 7 ohm resistor,what is the current?

Question 23

What is the difference between a bit and a byte?

Question 24

What is the resistance of a rectangular gold wire that is 0.5 cm long,10 micrometers wide,and 2 micrometers in thickness? The resistivity of gold is 22 x 10^-9 ohm-m.

Question 25

Where are digital processors found?