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Electricity
Page 6
Questions (1,596)
A current of 1 A is maintained in a simple circuit with a total resistance of 2.5 Ω. How much heat is generated in 4.0 s?
4 answers
asked by
Joe
1,529 views
If your body develops a charge of -18 (microcoulombs), how many excess electrons has it acquired?
4 answers
asked by
Anonymous
1,783 views
Electrons move through a certain electrical circuit at an average speed of 1.7 x 10-2 m/s. How long (in minutes) does it take an
3 answers
asked by
Redgy22
1,738 views
A certain copper wire has a resistance of 12.0 \Omega.At what point along its length must the wire be cut so that the resistance
3 answers
asked by
rabiya
1,936 views
If a doubly-ionized oxygen atom (O–2) is accelerated from rest by going through a potential difference of 20 V, what will be
3 answers
asked by
Alinkashia
951 views
How are electric fields applied in the successful use of a precipitator?
Smoke particles are naturally charged, so they are
3 answers
asked by
IDCIICISSINTDWHTBD
183 views
The charge for electricity consumption,E is partly constant and partly varies as the number N of unit used.the charge for 42
3 answers
asked by
Yusuf
283 views
A dust particle carrying a charge of -3 x 10-10 C is 2mm to the left of another dust particle carrying a charge of +4 x 10-10C.
4 answers
asked by
Arlene
850 views
In a 120 volt electrical circuit having a resistance of 16 ohms, the available power P in watts is a function of I, the amount
3 answers
asked by
Tom
1,355 views
Electric charges that are different
A. attract each other. B. repel each other. C. exist in pairs. D. do not interact. i think it
3 answers
asked by
Anonymous
1,178 views
Consider a negative charge located between two parallel metal plates that sets up a uniform, downward electric field with
7 answers
asked anonymously
63 views
A charge of -4.00 nC is located at (0,1.00)m. what is the x-component of the electric field at(4.00,-2.00)m?
3 answers
asked by
adelina
865 views
A 5 ohm resistor a 15 ohm resistor and a unknown resistor, r, are connected as shown with a 15 volt source. The ammeter reads a
4 answers
asked by
Mika
2,018 views
Two pellets, each with a charge of 1 microcoulomb, are located 3 cm apart. What is the electric force between
them?
4 answers
asked by
Ashley
2,251 views
A point charge q equals plus 6 n Cis surrounded by an imaginary sphere of radius r equals 40 space c mcentered on the charge as
7 answers
asked anonymously
47 views
could a lightning bolt power a time machine
3 answers
asked anonymously
18 views
When two resistors are connected in series across a 12-V battery, 1.1A flows. When they are connected in parallel across the
3 answers
asked by
Bano
775 views
the current in an electrical conductor varies inversely
as the resistance of the conductor. If the current is 12 ampere when the
4 answers
asked by
stacy
1,322 views
An idealized voltmeter is connected across the terminals of a 15.0- battery, and a 72.5- appliance is also connected across its
1 answer
asked by
Anonymous
474 views
12 volts is applied across a 4 ohm resistor. How much power is dissipated by the resistor?
3 answers
asked by
Hans
1,124 views
What does electric current measure?
3 answers
asked by
Amilyah Watson
81 views
What voltage is required to run a 45 W light bulb if the current is 0.5 A?
3 answers
asked by
billy
722 views
A step-down transformer has a turns ratio of 1:10 and its primary is connected across the terminals of a standard 120 V wall
4 answers
asked by
josh
2,200 views
The head lamp of a car takes a current of 0.4A from a 12 volt supply.What is the energy produced in 5 mimutes
3 answers
asked by
Rejoice
374 views
Suppose two charged objects with a charge +2MC and -3MC touch each other. Calculate the new charge after separation
1 answer
asked by
Karabo
363 views
Examine the scenario.
A circuit is arranged so that 6 A of current is flowing through it. If the voltage is then tripled, which
5 answers
asked by
HELP!
1,254 views
A 60 Watt light bulb draws 0.5 A of current.
a. What is the voltage across the light bulb? b. What is the resistance of the light
3 answers
asked by
hi
1,114 views
In a series circuit there is 12V running with 3 bulbs with the following: 1Ω, 2Ω, and 3Ω.
Calculate the potential
4 answers
asked by
physics help
2,591 views
A charge of -4.50 10-6 C is placed at a point in space where the electric field is directed toward the right and has a magnitude
3 answers
asked by
jeff
1,682 views
Two small plastic spheres are given positive electrical charges. When they are 11.0cm apart, the repulsive force between them
4 answers
asked by
Molly
1,091 views
Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is
5 answers
asked by
Anonymous
1,647 views
A current of 4.00 A flows through the heating element of heater converting 500 J of electrical energy into thermal energy every
3 answers
asked by
John
1,431 views
An electron is released from rest at a perpendicular distance of 9.1 cm from a line of charge on a very long nonconducting rod.
4 answers
asked by
Stephanie23-22
641 views
A balloon rubbed against denim gains a charge of -8.0 uC. What is the electric force between the balloon and the denim when the
3 answers
asked by
Kelsi
2,157 views
If a voltage difference of 3V causes a 1.5 current, what is the resistance in the circuit
4 answers
asked by
francisca
1,234 views
A typical lightning flash delivers about 27C of negative charge from cloud to ground. How many electrons are involved?
3 answers
asked by
D'Andre
1,741 views
Two charges, +Q and ‑Q, are located two meters apart and there is a point along the line that is equidistant from the two
3 answers
asked by
Alinkashia
2,438 views
How many excess electrons does an object with a total charge of -1.0 x 10exp-9C have on it? This is approximately the amount of
4 answers
asked by
Nina
1,898 views
A light bulb, after it has reached its operation temperature, is connected across a potential difference of 120V while 0.5A of
4 answers
asked by
joh
957 views
Piezoelectricity is caused by pressing or squeezing___________?
a power rods. b. crystals c. zinc plates d. magnets I believe the
4 answers
asked by
Jenny
1,067 views
During a short circuit, why does the voltage go down?
I know that the resistance is almost zero...but what's the relation between
3 answers
asked by
David
431 views
Is the answer to this 4?
If the filament resistance in an automobile headlamp is 3 ohms, how many amps does it draw when
3 answers
asked by
Andrea
852 views
An average American household uses about 1.04×10^4 kWh (kilowatt hours) of electricity a year. If a power station generates
16 answers
asked by
bad math
588 views
The resistance in a circuit is halved. What happens to the voltage?
V=IR (1 point) Responses The voltage remains the same. The
3 answers
asked by
the real BARNY THE DINO :)
172 views
Which of the following statements about electrical charges is true
like charges and opposite charges have no affect on one
3 answers
asked by
the real BARNY THE DINO
181 views
What conclusion can be drawn from the voltmeter readings
3 answers
asked by
Tyson
106 views
What is the resistance of a circuit with 140V and 5A?
3 answers
asked by
Caden
298 views
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. The
3 answers
asked by
stephen
1,210 views
We have used analogies with Newton's Laws to help us understand the behavior of electricity. Which of the following is the best
3 answers
asked by
physics
527 views
A battery-operated DVD player uses 12 DC volts from AA batteries and draws a current of 3 A. Calculate the resistance.
4 answers
asked by
donavan
1,932 views
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