Physics

An electron is pushed into an electric field where it acquires a 1-V electrical potential. If two ...

Started by nevelica

Normally a small party balloon charged to several thousand volts will have a relatively small amount ...

Started by tth

Just as water flows from a region of high pressure to a region of low pressure, electric charge ...

Started by ashley

To think of electric potential difference we are thinking about A) current. B) voltage. C) ...

Started by ssal

It is correct to say that in electric circuits A) charge flows through a circuit. B) flowing ...

Started by ericka1

Electrons flow in a wire when there is A) an imbalance of charges in the wire. B) a potential ...

Started by roselinechinyere27m

The current produced by voltage in a circuit is impeded by A) electric barriers. B) closed ...

Started by karlynnae

Electric resistance in our skin is lowered when our skin is A) moist. B) dry. C) none of the ...

Started by washai

If you stretch a copper wire so that it is thinner, the resistance between its ends A) decreases. ...

Started by torybrooks

If two copper wires of the same length have different thickness, then the thicker wire has A) ...

Started by karen

The current in two identical light bulbs connected in series is 0.25 A. The voltage across both ...

Started by Caiter2013

The resistance of a filament that carries 2 A when a 10-V potential difference across it is A) 2 ...

Started by bobbysung

A capacitor is useful in A) boosting the energy output of a circuit. B) increasing the current ...

Started by sammy

An electric diode is useful for A) storing electrical energy. B) boosting voltage. C) limiting ...

Started by cnetterville

The source of electrons that illuminate a common lamp in your home is A) the power company. B) ...

Started by Tirant22

The number of electrons delivered daily to an average American home by an average power utility in ...

Started by dollx

For electric current in the home, your power company supplies A) energy. B) electrons. C) both ...

Started by chads108

The electric field established by a generator in an ac circuit A) increases via the ...

Started by neverstopbelieb

Electrons flow in an electrical circuit by A) being bumped by other electrons. B) colliding with ...

Started by yoroshambo

The drift speed of electrons that compose current in a flashlight is about A) the speed of sound ...

Started by Shelles

One kilowatt is a unit of A) energy. B) power. C) voltage. D) current. E) ...

Started by daltonest1984

) A 100-W lamp glows brighter than a 25-W lamp. The electrical resistance of the 100-W lamp is A) ...

Started by magmichele12

One kilowatt-hour is a unit of A) energy. B) power. C) voltage. D) current. E) ...

Started by captainjonesify

In units of measurement, power in watts is equal to A) amperes x ohms. B) amperes x volts. C) ...

Started by stock

A lamp rated at 120W 120V has a filament resistance of A) 1 ohm. B) 60 ohms. C) 100 ohms. D) ...

Started by jenna1