Define electric telegraph

Q: What voltage must be supplied to a lightbulb with hot resistance 780 if it is in series with a…

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Q: Why is the drift velocity of electrons in a conductor so much slower than the actual speed the…

A: The drift velocity is the average velocity of the electrons in a conductor in the presence of an…

Q: why isn’t a wire charged when electricity is flowing in it?

A: When electricity is flowing through a wire, it's actually the movement of electrons that constitutes…

Q: 3. For the circuit shown below C₁ = .01μF, C₂ = = .047μF, and C3 = .047μF. Find the equivalent…

A: Given : Three capacitors  C1=0.01µF C2=0.047µF C3=0.047µF

Q: How are magnetic poles and electrical charges similar?

A: The magnetic poles produce an attractive force between poles of opposite nature, also the electric…

Q: b с d Lack free electrons that can move to other atoms Electrons within their atoms are strongly…

A: Introduction    We define here conductor, semiconductor, and insulator as The conductor is a type of…

Q: State the coulomb's law.

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Q: As charges move in a closed loop, they

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Q: Are car headlights connected in series or parallel? Give an everyday observation that supports your…

A: Car headlights

Q: Describe in detail the effects of a magnetic field on a current-carrying wire.

A: Electric energy is carried in the form of current, which is the flow of electrons through a…

Q: A constant electric field generally produces a constant drift velocity. How is this consistance with…

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