in two paragraphs explain which was the most important the incandescent filament lightbulb, the telephone, or the airplane

Q: 24 V

A: In both the cases current and voltage across bulb A is same. (Clearly drawn in the solution).

Q: You put  9.0V  DC across resistor  R₁  and measure the current through it. With the same voltage…

A: Given: The voltage V=9.0 V The resistors are: R1 and R2 It is required to determine the ratio of the…

Q: #2 Switch S in Fig. 27-43 is closed at ime t=0, to begin charging an initially uncharged capacitor…

A: Given data as per question   R  =  35ohm   C    =  17.5micro farad

Q: Assume that the capacitor has been charged by the battery. What do you think will happen to the…

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Q: The only lightbulb in a circuit is replaced with a new one. The same electrical potential is…

A: We know that the voltage and intensity has no relation with each other.

Q: If electrons flow very slowly through a circuit, why doesn't it take a noticeably long time for a…

A: It is true that electron flow slowly in wires but there is not a single electron in wire, there…

Q: When applying the loop rule, what do you get when you cross a circuit element that has resistance? A…

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Q: As the resistance increases, explain why the lamps get either brighter or dimmer or stay the same…

A: Power is dissipated in the circuit when current flows through the resistance in the circuit. This…

Q: Can the terminal voltage of a battery ever exceed its emf?Explain.

A: emf of a cell is the potential difference across its terminal in open circuit. Terminal voltage of a…

Q: After the switch is closed for a while and the capacitor is charged, open the switch. The…

A: A capacitor will have current flow away from it.

Q: You have been given the circuit in the image. . The switch was closed a long time ago and the…

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Q: One of the two car head lamps is broken.  To make sure the broken lamp does not affect the good…

A: By observing the options we will answer the question.

Q: How can we connect two light bulbs and a battery to produce the brightest bulbs?

A: Answer           If we connect two light bulbs in parallel then we can produce the brightest bulbs.

Q: In a certain region, the electric field abruptly falls from 100 V/m to 0 as x increases, as shown.…

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Q: What is true about the charged particles moving through an electric circuit? O They can move through…

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Q: When you hook up two identical bulbs in series, do they have the same brightness, or is the first…

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Q: Why do incandescent lightbulbs grow dim late in their lives, particularly just before their…

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Q: Good conductors of electricity are often good conductors of heat. Why might this be?   We are…

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Q: It is often said that “circuit elements in parallel get the same voltage.” This sentence is not…

A: If two terminals of circuit elements are connected to same pair of nodes, they are said to be…

Q: As the electric charges travel around the circuit they lose electric potential energy. As electrons…

A: When electrons move through a wire in an electric circuit, they lose electric potential energy as…

Q: How does the addition or removal of capacitors in a parallel or series combination affect the total…

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