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Electricity and Circuits
Page 6
Questions (401)
Which part of an electric circuit resists the flow of charge when it changes electrical energy into other forms of energy?
A.
2 answers
asked by
bubbie
942 views
12.oo volt battery is connected in a series to 4 identical 5.00 ohm resistors what is the current
2 answers
asked by
Anonymous
942 views
If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit
2 answers
asked by
vikram
934 views
Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the
4 answers
asked by
Tam
908 views
A 10-ohm resistor is attached to a 20-ohm resistor in series. This combination is then attached to a 30-ohm resistor in
3 answers
asked by
Bano
924 views
power supply has an open-circuit voltage of 39.0 V and an internal resistance of 2.00 Ù. It is used to charge two storage
2 answers
asked by
Anonymous
916 views
resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180
2 answers
asked by
Nilan - please help
923 views
3. Ohm’s law states that the current flowing in a circuit varies directly as the applied voltage and inversely as the
2 answers
asked by
David
904 views
Four resistors are connected to a battery with a terminal voltage of 18.0 V. The resistors are, R1=61, R2=34, R3=90, and R4=11.
2 answers
asked by
allan
866 views
The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 240 V outlet and draws a
2 answers
asked by
Anonymous
887 views
a circuit contains a 9v battery and two 1 ohm bulbs. what is the voltage drop across each.
3 answers
asked by
yUo
831 views
Four light bulbs (A, B, C, D) are connected together in a circuit of unknown arrangement. When each bulb is removed one at a
2 answers
asked by
sonia
822 views
How many electrons pass a given point in the
circuit in 12 min? The fundamental charge is 1.602 × 10−19 C.
2 answers
asked by
ashleyyyy
830 views
1)Several resistors are connected in series. If a battery provides constant voltage in this circuit the addition of another
3 answers
asked by
Andrea
826 views
A resistance r1=12ohms is connected in series with another resistance r2= 8 ohms. What resistance r3 must be connected in
3 answers
asked by
Lyn
797 views
The load across a 12 V battery consists of
a series combination of three resistors 21 ohm, 22 ohm, and 56 ohm. What is the total
2 answers
asked by
maria
793 views
The current through a light bulb connected across the terminals of a 120 V outlet is 0.25 A. At what rate does the bulb convert
1 answer
asked by
nkechi
807 views
A string of 26 identical Christmas tree lights
are connected in series to a 120 V source. The string dissipates 63 W. What is the
1 answer
asked by
Anonymous
784 views
A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 21.8 V. The electric power being dissipated by
2 answers
asked by
Anonymous
788 views
A circuit is powered by a 5 V battery and has 0.2 A of current through it. If the circuit contains two resistors connected in
2 answers
asked by
henry
759 views
A car owner forgets to turn off the headlights of his car while it is parked in his garage. If the 12.0-V battery in his car is
3 answers
asked by
Mayra
758 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
4 answers
asked by
Anonymous
736 views
Two resistors each of 15 Ohm and 10 Ohm are in parallel, find the effective resistance
2 answers
asked by
Balu
696 views
When a battery is not used in a circuit, a voltmeter measure 1.492V across the terminals of the battery. When a 2.50Ω light
2 answers
asked by
exo-L
692 views
find the maximum voltage that can be applied ti 8 k ohms resistor rated 50 Watt?
2 answers
asked by
karin
675 views
Two light bulbs are connected in series. The resistance of the filament of the first light bulb is 230Ω. The potential
3 answers
asked by
exo-L
687 views
A light bulb is wired in series with a 133-Ω resistor, and they are connected across a 120-V source. The power delivered to the
4 answers
asked by
joe
702 views
A direct current power supply is connected to a circuit containing one resistor, and 1.5 A is drawn. If a second identical
2 answers
asked by
Bano
663 views
The electric current I in a circuit varies directly as the voltage V. When 21V are applied, the current is 4A. What is the
2 answers
asked by
Marie
686 views
Multiple-Concept Example 9 reviews the concepts that are important to this problem. A light bulb is wired in series with a
2 answers
asked by
Drue
679 views
A battery (ε= 10.0V, r = 0.50Ω) is connected to three light bulbs in parallels (R1= 15.0Ω, R2= 21.0Ω, R3= 24.0Ω). Calculate
4 answers
asked by
happiness
643 views
A student builds a circuit with a battery and a light bulb. Which materials should the student use to complete the circuit for
1 answer
asked by
Chrissy R.
46 views
A circuit is powered by a battery. Conventional current (positive current) flows ____________.
2 points A.out of the battery and
2 answers
asked by
help
658 views
A 10 ohms, 8 ohms, and 5 ohms resistor connected in series to a Volts source. Find the current in each resistor.
2 answers
asked by
Anonymous
652 views
An old battery with an emf of 9.0 V has a terminal voltage of 7.8 V when it is supplying a current of 1.5 mA. What is the
3 answers
asked by
mercedes
640 views
Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2
2 answers
asked by
Dean
640 views
Three resistors are placed in series. They have the following resistances: R1 = 20 ohms, R2 = 20 ohms, R3 = 10 ohms. What
1 answer
asked by
Katy
634 views
Two resistors when connected in series to a 120-V line use one-fourth the power that is used when they are connected in
2 answers
asked by
Allen
634 views
A 20 volt battery has a 4 ohm internal resistance. There is a 5 amp fuse in the main line of the battery. How many 6 ohm
5 answers
asked by
Chyna
633 views
A electric circuit board has equally spaced parallel wires with connections at points A, B, C. If the length of AB=3.42 cm, what
2 answers
asked by
Liz
609 views
Problem 22.16
A 7.5 v battery supplies a 3.5 mA current to a circuit for 8.2 Hr . Part A - How much charge has been transferred
2 answers
asked by
Paige
607 views
If a bulb of 5ohms is connected across a 12V battery, what is the current flow through the bulb? The formula for this problem
3 answers
asked by
Jackie
623 views
When 3 resistors of 1 ohm resistance each are connected in series to a 12 volt power supply, the total resistance of the circuit
4 answers
asked by
Claire
623 views
I = E/R
A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when
2 answers
asked by
bob
596 views
A North American tourist takes his 22.0–W, 120–V AC razor to Europe, finds a special adapter, and plugs it into 240 V AC.
2 answers
asked by
Joe
596 views
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 Ù·m). The light bulb is plugged into
2 answers
asked by
james check please
600 views
A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected
2 answers
asked by
Luis
604 views
small toy car draws a 0.50mA from a 3.0 V nickel-cadmium(NiCd) battery. In 10 min of operation, (a) how much charge flows
2 answers
asked by
wazir
557 views
Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is
2 answers
asked by
ashley --- HELP PLEASEE!!!
535 views
What is the minimal resistance of a 100 W light bulb designed to be used in a 120 V circuit?
Answer 12.0 Ω 144 Ω 1.2 Ω 0.83 Ω
3 answers
asked by
Anonymous
526 views
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Parent Categories (6)
Mathematics
Physics
Physics and Electronics
Science
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