Just together water operation from a region of high push to a an ar of short pressure, electrical charge operation from a an ar of

high electric pressure come a region of low electric pressure.

You are watching: The resistance of a filament that carries 2 a when a 10-v potential difference across it is

Just together in hydraulic circuits there is water pressure, in electric circuits there is


An ampere is a unit of electric


Electrons flow in a wire once there is

a potential difference throughout its ends.

A an ideal electric pump in an electrical circuit is a

generator & chemistry battery

It is exactly to say that in electrical circuits

*voltage is the ratio of power per charge. *voltage is applied across a circuit. *flowing fee is current. *charge flows v a circuit.

A coulomb of fee flowing in a pear filament powered by a 6-volt battery is provided with

6 joules

If you stretch a copper wire so the it is thinner, the resistance between its ends


Two light bulbs are associated to a battery, one at a time. The bulb the draws an ext current has actually the

lower resistance, and also is brightest.

When you turn on a lamp, the initial present in its filament is better at first, quite than a moment later, i m sorry indicates

increased temperature method increased resistance.

Electric resistance in our skin is lowered as soon as our skin is


Current in a conductor deserve to be enhanced by

*reducing its resistance. *increasing the voltage throughout it.

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

5 ohms

Two lamps with different filament thicknesses, and also therefore various resistances, are associated in series. Greater current is in the lamp v the

same in each

If an electrical toaster rated in ~ 110 V is accidently plugged right into a 220-V outlet, the present drawn by the toaster will be

twice its typical value

The existing in two similar light bulbs associated in series is 0.25 A. The voltage across both bulbs is 110 V. The resistance of a single light pear is

220 ohms

Direct current is normally developed by a


Alternating existing is normally produced by a


Current the is frequently 60 hertz is

alternating current

A capacitor is valuable in

smoothing pulsed current

An electric diode is useful for

changing ac to dc

For electric current in the home, her power agency supplies


The resource of electron in a basic electric circuit is

the electric circuit itself

Electrons that space energized to glow in the filament of a typical ac desk lamp are

electrons currently in the filament.

The variety of electrons yielded daily to an median American residence by an mean power utility in the early on 21st century was


When Eddie Electron experience an electric shock, the resource of electrons writing the shock is

eddie’s body

Electrons flow in an electric circuit by

Electrons flow in an electric circuit by

The drift speed of electrons that compose present in a flashlight is about

less 보다 1 cm/s.

The electric field created by a generator in an ac circuit

changes magnitude and direction with time.

Power is characterized as the power expended per unit that time. When interpreted to electrical terms, power is equal to

current multiplied by voltage.

In units of measurement, strength in watt is equal to

amperes x volts.

One joule every coulomb is a unit of


One kilowatt is a unit of


One kilowatt-hour is a unit of


The electrical power offered to a lamp that carries 2 A in ~ 120 V is

240 watts.

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


The power dissipated in a light pear in a circuit is noted by the

voltage source.

A 60-W light bulb linked to a 120-V resource draws a present of

0.5 A.

The strength consumed by a machine drawing 0.8 A when connected to 120 V is

96 W.

A power line v a resistance that 2 ohms dead a current of 80 A. The strength dissipated in the heat is

12,800 W.

A 60-W and also a 100-W light bulb room rated in ~ 120V. I m sorry bulb has actually a higher resistance?

60-W bulb

A 60-W and also a 100-W light pear are connected in parallel to a 120-V outlet. Which pear draws much more current?

100-W bulb

The present drawn by a 1200-W toaster linked to 120 V is 10 A. The resistance of the toaster coils is

12 ohms.

A heater draws 20A when linked to a 110-V line. If the electrical power prices 20 cent per kilowatt hour, the cost of running the heater for 10 hours is


A desk lamp rated 23W 120V method that it will supply 23 W

when the voltage across it is 120 V.

The amount of present in a CFL rated 23W 120V is about


If you wish to store chicken warm in a shed on a cold night, the finest lamp to use is

an glow lamp.

By convention, the direction of present in a circuit is

*the direction in which positive charge flows. *from the optimistic terminal the a resource to the an unfavorable terminal.

When 2 lamps are connected in parallel come a battery, the electrical resistance that the battery senses is

less than the resistance of either lamp.

On some early automobiles both headlights failed as soon as one bulb burned out. The headlights to be likely connected in


Compared come a solitary lamp associated to a battery, two identical lamps connected in collection to the same battery will certainly carry

less current.

Connect a pair of lamps in series and existing is attracted from the battery. Affix the exact same lamps in parallel and also the current drawn is


The security fuse in an electric circuit is associated to the circuit in


As much more lamps are linked in a collection circuit, the as whole current in the strength source


To connect a pair the resistors for this reason their indistinguishable resistance (the single resistor having actually their combined value) will certainly increase, attach them in


The equivalent resistance of any kind of parallel branch in a circuit is

always much less than the resistance of the lowest resistor.

A 4-ohm and 6-ohm resistor connected in parallel have actually an indistinguishable resistance of

2.4 ohms.

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Three resistors take the form of a triangle, one resistor in each leg. Resistance in one foot is 4 ohms, 6 ohms in a 2nd leg, and also a third leg 10 ohms. Connecting one ohm-meter across the 10-ohm resistor will present the indistinguishable resistance to be

5 ohms.

The tantamount (combined) resistance of 1-ohm, 2-ohm, and 3-ohm in series is about