study omg i need an A
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
show | Rotate a coil of copper wire between two magnets
🗑
|
||||
show | electrons
🗑
|
||||
What process is the method by which a neutral object obtains an electrical charge? | show 🗑
|
||||
show | It has the same intensity.
🗑
|
||||
Pretend you are an electron in a copper wire which is being used to connect a battery to a flashlight bulb. Because this circuit uses a(n) ___________________ current, you as the electron in the wire will | show 🗑
|
||||
several directional compasses, several lengths of wire, an iron nail, a battery, an ammeter, a light bulb,a permanentmagnet, severalmetalpaperclipsandarubbereraser.buildanddem.a workingtempmagnet.itemsonthetablewhichitemscanbe usedtogethertoaccplomishthis | show 🗑
|
||||
show | permanent magnets, electromagnet
🗑
|
||||
All of the following use an electric motor, EXCEPT | show 🗑
|
||||
show | positively charged hair.
🗑
|
||||
Which circuit contains the GREATEST voltage? | show 🗑
|
||||
show | 4 ohms
🗑
|
||||
What is the voltage in a circuit if the current is 6.2 A and the resistance is 18 ohms? | show 🗑
|
||||
show | series
🗑
|
||||
show | parallel
🗑
|
||||
Why might an electromagnet be used to pick up old cars in junk yards? | show 🗑
|
||||
show | It moves toward a piece of iron.
🗑
|
||||
show | Conduction only
🗑
|
||||
show | induction.
🗑
|
||||
show | Touching your car on a cold day and getting a shock.
🗑
|
||||
Lightningisofstaticelectricity.thundercloud,moisturecausesthecloudtogetheavierandmoveclosertotheearth.Asitdoes,thecloudrubstheatmosphereandremoveselectrons.Thebottomofthecloudbecomesnegativelychargedandthetopbecomespositivelycharged.Theelectronsontheearth | show 🗑
|
||||
show | The two objects are oppositely charge
🗑
|
||||
show | electrons
🗑
|
||||
show | rubbing the ball back and forth on carpet
🗑
|
||||
When an object gains or loses electrons, it becomes | show 🗑
|
||||
Sal and Marie were experimenting with bar magnets in science class, picking up chains of paper clips. Where should they expect the magnetic force of the bar magnet to be the strongest and pick up the most paper clips? | show 🗑
|
||||
Producing an electric current by moving a bar magnet in and out of a coil of wire is called | show 🗑
|
||||
show | None of the remaining light bulbs will be on.
🗑
|
||||
Which statement is TRUE? | show 🗑
|
||||
show | The other light bulbs remain on and will be equally bright.
🗑
|
||||
show | allow current to flow even if some paths are cut
🗑
|
||||
show | an electric current.
🗑
|
||||
A coil of wire, a battery, a few paper clips, and a thermometer are on a table of supplies. What other material or materials would be needed for a student to construct a basic electric motor? | show 🗑
|
||||
The circumstance MOST LIKELY to cause a compass to give an erroneous reading is standing too close to | show 🗑
|
||||
In this electric motor, an electric current causes the coil to rotate, changing | show 🗑
|
||||
show | iron nail
🗑
|
||||
show | the movement of the magnet relative to the coil
🗑
|
||||
Twocompanies, H Industries and Kuhlman Electric Company, are responsible for most of the transformers and power grids produced in the United States and shipped world-wide. What role does a transformer play in the supply of electricity over long distances? | show 🗑
|
||||
show | electricity
🗑
|
||||
show | The magnet pushes on the free electrons in the wire and a current is produced.
🗑
|
||||
A scientist is giving a demonstration with a Van de Graaff generator in a class about electrostatics. The scientist can detect the type of charge on the Van de Graaff generator by | show 🗑
|
||||
When a student combed his dry hair for a long time, his hair began to stand up. Which of these has MOST LIKELY happened? | show 🗑
|
||||
In a classroom experiment, a student rubs a comb against her hair. The comb is then brought near bits of paper resting on a surface. Which of these can be concluded if the comb picks up the bits of paper? | show 🗑
|
||||
When we touch a Van de Graaff generator, our hair may stand up if it is dry. This happens only if the strands of our hair | show 🗑
|
||||
show | Electrons are transferred from Jamie’s hair to the woolen cap.
🗑
|
||||
When a balloon is rubbed with human hair, the balloon acquires an excess static charge. This implies that some materials | show 🗑
|
||||
A series circuit includes a battery and a tiny fan. How will the circuit behave if closed? | show 🗑
|
||||
show | None of the devices will work.
🗑
|
||||
show | Unscrew one light. If the other lights turn off, it's a series circuit.
🗑
|
||||
blowing up some balloons for birthday party.sistergrabbed aballoonandrubbeditonhisheadBilly'shairbegantostickupinlittlespikesalloverhisheadThentooktheballonandputitupagainstthewall.t stuck!Billy's hair stood up and the balloon stuck to the wall because of | show 🗑
|
||||
Westinghouse and Edison fought what was known as the war of the currents. Eventually, Westinghouse triumped using Alternating Current for power distribution. Alternating current is better for power generation because | show 🗑
|
||||
show | a coil of wire and a magnet in relative motion to induce an electric current.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
evangelynnm