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Electricity
Page 8
Questions (1,588)
Electricity's Long Journey
1 Think of a time when you watched a movie with your family, played online games with your friends, or
10 answers
asked anonymously
81 views
Determine the minimum and maximum voltage from the voltage divider when Vs=12V ,R1=470,R2=1000,R3=680
1 answer
asked by
tabish
79 views
If a current of 2 amps is moving through a circuit connected to a 9 V battery, what is the resistance of the circuit?
2 answers
asked by
jayna
94 views
Whe n the circuit of the switch is closed, which statement is true
1 answer
asked by
Anonymous
64 views
What is the current in the circuit
1 answer
asked by
Tshegofatso
42 views
What conclusion can you draw concerning the potential difference in a series circuit
1 answer
asked by
Anonymous
68 views
A charge of 10 coulombs has been travelling through the wire of a simple circuit,with a current of 3 A. How long has the current
1 answer
asked by
Anonymous
87 views
A heater draws a current of 3A from a 220V line. Given the cost of energy from the power company is $0.3 / kWh. Determine the
1 answer
asked by
.
189 views
Current flow of a series circuit is ________ related to source voltage applied to total circuit resistance.
1 answer
asked by
Bridget
264 views
(i) calculate the charge per units of electricity
1 answer
asked by
Jonathan
146 views
Rom prior questiion, Is 4332 correct though?
The power generated by an electrical circuit (in watts) as a functio of its current
1 answer
asked by
Jonathan
213 views
If voltage is equal to 12 Volts and current is equal to 36a. What is the resistance equal to?
1 answer
asked by
Ousman
244 views
A circuit needs to be _____ to produce electricity
1 answer
asked by
Alex
302 views
a 6.0 kW electric oven is connected to a fuse box by a cable of resistance 0.25 ohms. when the cooker is switched on at full
1 answer
asked by
Arushan
229 views
What is the voltage across each resistor. R is the lowest-value resistor and all others are multiples of that value as
1 answer
asked by
steve
163 views
Read the excerpt from "Thomas Edison: The Master of Improvement.”
Its glow was produced by electricity passing through a
6 answers
asked by
Good Guy
851 views
a conductor having a cross-sectional area of 0.00161 sq.in. carries a current of 4.5amp. calculate the electron velocity,
1 answer
asked by
Anonymous
773 views
A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 19.5 cm in a uniform electric field, as shown in
2 answers
asked by
James
687 views
Electricity is consumed between the hours of midnight (t = 0) and 6 a.m. (t = 6). Selected values of the rate of consumption are
2 answers
asked by
Kyle
711 views
A camcorder has a power rating of 16 watts. If the output voltage from its battery is 4 volts, what current does it use?
4 answers
asked by
Francisco
622 views
Use the paragraph to answer the question. Harper had always been a curious child, wanting to know how things operated and what
3 answers
asked by
ww/rei
41 views
can someone explain this to me, looking at graphs in my textbook, it seems as concentration increases the electric potential
3 answers
asked by
Anonymous
393 views
How is a parallel circuit different from a series circuit?
A: A parallel circuit only has one path for the circuit to take. B: A
6 answers
asked by
Lady Phantomhive
903 views
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A
2 answers
asked by
vicky
647 views
If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, how much does it cost to operate an electric over for 5.0 h if
2 answers
asked by
Akanksha
1,218 views
What is the current produced by a 9volt battery flowing through a resistance of 2*10 ohms
1 answer
asked by
Denise
482 views
One group of students is investigating the properties of charged objects. Their observations are listed below.
When two
4 answers
asked by
Oscar
1,200 views
If you know the power rating of an appliance and the voltage of the line it is attached to, you can calculate the current the
4 answers
asked by
sid
1,200 views
Which of the following statements about Ohm’s Law is true?
A. Increasing the voltage decreases current. B. Keeping the same
1 answer
asked by
sid
1,194 views
The type of current in your home is mostly
A. direct current. B. alternating current. C. series current. D. produced by
3 answers
asked by
sid
694 views
State ohms law in words
1 answer
asked by
zanele
434 views
You have four point charges 2q, q, -q and -2q. If possible, describe how you would place at least the charge 2q (and perhaps
1 answer
asked by
clement
436 views
What can you do to save electricity? (2)
1. I can unplug the computer and the printer. 2. I can unplug appliances in my room. 3.
2 answers
asked by
rfvv
532 views
What can you do to save electricity?
1. I can turn off the lights when I leave my room. 2 I can turn off the lights when I don't
2 answers
asked by
rfvv
750 views
Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight
7 answers
asked by
*
1,917 views
Describe each type of item tested in terms of its V vs I being "Ohmic" or not. Use one sentence per item-type tested. Item types
2 answers
asked by
Bri
536 views
A toaster consists of 4 heating elements that are connected in parallel. The toaster is connected to a 240 V mains supply. When
1 answer
asked by
Nick
507 views
the potential difference across a load is 9V. explain what this means in more fundamental terms.
1 answer
asked by
Isabelle
329 views
both insulators and conductors can be charged by?
2 answers
asked by
Anonymous
956 views
In an electricity experiment, a 1.30g plastic ball is suspended on a 56.0cm long string and given an electric charge. A charged
2 answers
asked by
Dib
792 views
a 12 V battery is made of 36 cells each rates at 2V and 1.5 A for a given duty cycle. what is the line current and power that
1 answer
asked by
Anne
368 views
Electrons are emitted from a conductor when the conductor is
A. subjected to a small voltage. B. exposed to weak light. C.
3 answers
asked by
Unmei
471 views
A hot plate of an electric oven connected to 220 volt coil has 2 resistance coil A and B. Each of 24Ω resistance which may be
1 answer
asked by
bh
437 views
Which one of the following letters is used in formulas as the symbol for voltage?
A. P B. W C. I D. E
4 answers
asked by
john
636 views
Why would you expect a plate to hold more excess charge on each of its conducting surfaces when the voltage difference between
1 answer
asked by
ggulnebe
330 views
A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how
2 answers
asked by
Darlene
477 views
The current in a toaster oven is 15 A when plugged into an electrical outlet that is 110 V. How much electric power is used by
2 answers
asked by
Anonymous
683 views
write a essay about how we could NOT live without electricity *make sure to include in todays time* and make it sound like a 7th
10 answers
asked anonymously
78 views
What is the net charge on a capacitor in a circuit ? Is it ever possible for the charge on one conductor to be different than
1 answer
asked by
Pastry
423 views
Why would you expect a plate to hold more excess charge on each of its conducting surfaces when the voltage difference between
1 answer
asked by
Gulune
323 views
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