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Jasiet González

Jasiet G.

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Questions asked

INSTANT ANSWER

By connecting several light bulbs in parallel, it turns out that: 597 / 5.000 Resultados de traducción Resultado de traducción a.if one burns out or disconnects, the others can still be on b.the current that passes through each one is equal to when it is alone c.the light that each one emits is the same as when it is alone d. the current coming out of the cell or battery is less e.the light that each one emits is less than if there is only one f.resistance to current flow increases g.energy is used more quickly h. the current coming out of the cell or battery is greater i.if one burns or disconnects, they all go out j.the current that passes through each one is less than if there is only one k. energy is used more slowly

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ANSWERED

Ronald Prasad verified

Numerade educator

A 3W light bulb, when connected to 12V, has a resistance of ________ ohms. Connected to that same 12V, it produces a current of ________ amps. If you keep it on all day and night, for a whole month, you spend _______ kWhr of energy, which is the same as ______ J.

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ANSWERED

Emily Anderson verified

Numerade educator

Match the way you connected with your effect. A B C D 1. ____ increases the current of the cell or battery, a power off does not affect others. 2. ____ same voltage, but can produce more current. 3. ____ increase the voltage. 4. ____ resistance increases, one shutdown turns off all OPTIONS: B A C D

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ANSWERED

Emily Anderson verified

Numerade educator

The battery voltage is 12V, and the resistances of the resistors are R1= 20 ohms, R2=70 ohms, R3= 20 ohms 1. Report/predict the following: In this circuit the resistors are connected in: a. Parallel b. Series 2. La resistencia equivalente Re ("la que percibe la batería RB): 3. The current iB that will come out of the battery: Ampere 4. The current i3 passing through resistor 3: amperes 5. The voltage V3 across resistor 3: Volts

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ANSWERED

Timothy James verified

Numerade educator

A person accidentally touches a wire that has a voltage of 150.7 volts with respect to the ground. He has no shoes on and is making contact with the ground. The level of moisture in the soil and on the person's skin is such that the person has a resistance of 25149 ohms. The current that will pass through the person's body will be __________ mA. (Hint: first get the current in amperes, and then change to units of milliamps.)

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ANSWERED

Timothy James verified

Numerade educator

Predict the magnitude of the magnetic field 0.018 cm from a straight wire carrying a current of 3 A.

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ANSWERED

Timothy James verified

Numerade educator

Two wires are placed parallel to each other at a distance of 0.05 m. The first has an electric current of i1 = 7 A, and the second one of i2 = 6 A, both in the same direction. Predict the amount of magnetic force that a l = 1.5 m section of the second wire will feel.

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ANSWERED

Timothy James verified

Numerade educator

By comparing an electric current against the flow of water, we relate 1. ___ resistor 2. ___ wire 3. ___ battery 4. ___ ampere 5. ___ electric current 6. ___ burden OPTIONS: A. PIPELINE B. BOMB C. FILTER OR HAIRBALL D. WATER E. WATER FLOW F. LITERS/SECONDS

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ANSWERED

Timothy James verified

Numerade educator

The image on the left represents a thick but hollow layer, like the shell of a orange -seen on the right with a piece cut to show its thickness- A volume that is like a thick shell has +200?C of electrical charge uniformly distributed in it. Within the hollow area within the shell, the electric flux will be ___________ (POSITIVE, NEGATIVE, ZERO) for any Gaussian surface, so the electric field has size ___________ ( AS IF ALL THE CHARGE WERE IN THE CENTER OF THE SHELL, ZERO). Outside the shell, the electric flux is as if all charge were at the center of the shell for any Gaussian surface, so the electric field is ___________ (AS IF ALL THE CHARGE WERE IN THE CENTER OF THE SHELL, ZERO).

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INSTANT ANSWER

a.The energy that comes from radioactive materials on Earth, which keeps the Earth's core melted. b.The energy trapped in the atoms originated in the light that comes from the Sun, which in this way is the source of energy for all living organisms and the one that mainly maintains the temperature of the Earth. c. The theft of the electron from the atom that attracts it more strongly releases the potential energy of this attraction, converting it into kinetic energy (seen as thermal energy from our macroscopic scale). d.Sodium and chlorine ions attract each other because they have different charges, and the potential energy that this attraction entails is converted into kinetic energy when the atoms come together until they collide. This is thermal energy, when we see it from our macroscopic scale. e. The energy that comes from the potential energy that the sodium and chlorine atoms have and their electrons due to the gravitational attraction between them due to their masses.

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