Go on. Explore!

lvl 0 • 0 xp

lvl 1

Home Market Decks Interests

Physics

memorize.ai (lvl 286)

(0)

27 cards

()

Section 1

Preview this deck

Which of the following is not true for both gravitational and electric forces?

Front

1 / 27

Physics

0.0

0 reviews

5			0
4			0
3			0
2			0
1			0

Active users

All-time users

Favorites

Last updated

6 years ago

Date created

Mar 1, 2020

Cards (27)

Section 1

(27 cards)

Which of the following is not true for both gravitational and electric forces?

Front

forces are either attractive or repulsive

Back

Which sentence best describes electrical conductors?

Front

Electrical conductors have electric charges that move freely

Back

If the potential difference across a pair of batteries used to power a flashlight is 6.0 V, what is the potential difference across the flashlight bulb?

Front

6.0 V

Back

What happens when the switch is closed int he circuit shown above?

Front

The lamp goes out because the battery terminals connect to each other

Back

When a glass rod is rubbed with silk and becomes positively charged

Front

electrons are removed from rod

Back

The figure shown above demonstrates charging by

Front

polarization

Back

Both insulators and conductors can be charged by

Front

contact

Back

In the diagram shown above, the circles represent small balls that have electric charges

Front

Ball 4 may has a positive charge

Back

A surface charge can be produced on insulators by

Front

induction

Back

If the charge is tripled for two identical charges maintained at a constant separation, the electric force between them will be changed by what factor?

Front

9

Back

Which is the most correct statement regarding the drawing of electric field lines?

Front

electric field lines can start on a charge of either polarity

Back

Charge is most easily transferred in

Front

conductors

Back

Electric field strength depends on

Front

charge and distance

Back

Two point charges initially 2 cm apart, are moved to a distance of 10 cm apart. By what factor does the resulting electric force between the change?

Front

1/25

Back

Conductors can be charge by what while insulators cannot

Front

contact

Back

Electric charge is

Front

conserved

Back

What occurs when two charges are moved closer together?

Front

The force between charged increases

Back

A circuit has a continuos path through which charge can flow from a voltage source to a device that uses electrical energy. What is the name of this type of circuit?

Front

A closed circuit

Back

Which statement is the most correct regarding electric insulators?

Front

Charges within electric insulators do not readily move

Back

What happens when a rubber rod is rubbed with a piece of fur, giving it a negative charge?

Front

Electrons are added to the rod

Back

How does the potential difference across the bulb in a flashlight compare with the terminal voltage of the batteries used to power the flashlight?

Front

c. The potential difference is equal to the terminal voltage

Back

An attracting force occurs between two charge objects when the charges are of

Front

unlike signs

Back

The process of charging a conductor by bringing it near another charged object and then grounding the conductor is called

Front

induction

Back

If a positively charged glass rod is used to change a metal bar by induction, the charge on the bar

Front

must be positive

Back

A repelling force occurs between two charged objects when the charges of of

Front

like signs

Back

If the potential difference across the bulb in a camping lantern is 9.0 V, what is the potential difference across the battery used to power it?

Front

9.0 V

Back

Resultant force on a charge is the what sum of the individual forces on that charge?

Front

vector

Back