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  • Electric Current Questions and Answers

    An isolated conducting sphere has a 12 cm radius. One wire carries a current of 1.0000020 A into it. Another wire carries a current of 1.0000000 A out of it. How long would it take for the sphere t...

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  • Energy in a Magnetic Field – University Physics Volume 2

    (a) A coaxial cable is represented here by two hollow, concentric cylindrical conductors along which electric current flows in opposite directions. (b) The magnetic field between the conductors can be found by applying Ampère's law to the dashed path. (c) The cylindrical shell is used to find the magnetic energy stored in a length l of the ...

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  • Electrical Power - schoolphysics ::Welcome::

    2020-3-29u2002·u2002Electrical Power. 1. Calculate the power of a 12V light bulb using 2.5 A. 2. Calculate the current used by a 12V immersion heater that is designed to deliver 30000J in 5 minutes. Energy = Power x Time = 30000 Therefore 30000 = Power x 300 Power = 100W. 3. Calculate the energy given out by a 12V car battery that delivers a current of 200A for 3 s.

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  • A generator produce 100kwatt power at a potential ...

    2018-7-31u2002·u2002A generator produce 100kwatt power at a potential difference of 10 KV the power transmitted through cable of total resistance 5 ohm how much power dissipated in the cables? Physics Electrical Energy and Current Electric Power

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  • 11 - HCC Learning Web

    2010-11-15u2002·u2002A thin copper bar of length ℓ = 10.0 cm is supported horizontally by two (nonmagnetic) contacts at its ends. The bar carries a current of I1 = 100 A in the negative x direction as shown in Figure P30.67. At a distance h = 0.500 cm below one end of the bar, a long, straight wire carries a current of I2 = 200 A in the positive z direction.

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  • Electric Power Questions and Answers

    1) The power rating of an electric motor that draws a current of 3 A when operated at 120 V is a) 40 W b) 0.36 kW c) 0.54 kW d) 1.08 kW 2) A current is flowing east along a power line. If we negl ...

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  • (PDF) HANDBOOK OF ELECTRIC POWER CALCULATIONS

    HANDBOOK OF ELECTRIC POWER CALCULATIONS. ope felix. TEMMY TIMOTIUS. Eduardo Sanchez. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 22 Full PDFs related to this paper. Read Paper. HANDBOOK OF ELECTRIC POWER CALCULATIONS.

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  • physic 2020 chapter 17 Flashcards

    A high voltage transmission line of diameter 2 cm and length 200 km carries a steady current of 1 000 A. If the conductor is copper with a free charge density of 8 1028 electrons/m3, how long does it take one electron to travel the full length of the cable? (e = 1.6 1019 C)

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  • A horizontal overhead power line carries a current of 90A ...

    Click here????to get an answer to your question ️ A horizontal overhead power line carries a current of 90A in east to west direction. Magnitude of magnetic field due to the current 1.5 m below the line is :

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  • 12.4 Magnetic Field of a Current Loop - University Physics ...

    2021-11-10u2002·u2002Two loops of wire carry the same current of 10 mA, but flow in opposite directions as seen in Figure 12.13. One loop is measured to have a radius of R = 50 cm R = 50 cm while the other loop has a radius of 2 R = 100 cm. 2 R = 100 cm.

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  • Energy in a Magnetic Field – University Physics Volume 2

    (a) A coaxial cable is represented here by two hollow, concentric cylindrical conductors along which electric current flows in opposite directions. (b) The magnetic field between the conductors can be found by applying Ampère's law to the dashed path. (c) The cylindrical shell is used to find the magnetic energy stored in a length l of the ...

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  • A generator produce 100kwatt power at a potential ...

    2018-7-31u2002·u2002A generator produce 100kwatt power at a potential difference of 10 KV the power transmitted through cable of total resistance 5 ohm how much power dissipated in the cables? Physics Electrical Energy and Current Electric Power

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  • What Size Wire for 100 Amp Sub-Panel? - Wire & Cable Your Way

    2021-3-21u2002·u2002Looking for the right size wire for your 100 amp sub-panel for a detached building, garage, or shed? Below are the best selling wires our customers use for service to a 100 amp sub-panel - all available by the foot at our store WireAndCableYourWay.com.

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  • Wires and Cables - Edison Tech Center

    2015-8-20u2002·u2002Magnetic Fields (inductance and impedance): Every wire used to transmit AC power creates a magnetic field while current flows through it. The magnetic field is visualized by concentric rings around the cross section of the wire, each ring closer to the wire has a stronger magnetic power.Magnetic fields are useful for making very strong magnets (when in a coil) i.e. …

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  • A horizontal overhead power line carries a current of 90A ...

    Click here????to get an answer to your question ️ A horizontal overhead power line carries a current of 90A in east to west direction. Magnitude of magnetic field due to the current 1.5 m below the line is :

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  • Mastering Physics Solutions Chapter 21 Electric Current ...

    2018-6-12u2002·u2002Chapter 21 Electric Current and Direct-Current Circuits Q.121GP. A battery has an emf ε and an internal resistance r. When the battery is connected to a 25-Ω resistor, the current through the battery is 0.65 A. When the battery is connected to a 55-Ω resistor, the current is 0.45 A. Find the battery's emf and internal resistance.

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  • Coax Cable Theory and Application - Standard Wire & Cable

    2021-11-12u2002·u20021. ATTENUATION - Attenuation is loss of power or signal expressed in decibels; it is commonly written and spoken of as dB/100 ft. at a specific frequency. An example is RG 8A/U which has a loss of 5.5 dB/100 ft. at 400 MHz. 2. FREQUENCY - Frequency is the term designating the number of reverses or cycles in the flow of alternating current (AC) in one second.

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  • 2020 NEC Flashcards

    Cable ties used to securely fasten flexible metal conduit shall be _____ for securement and support. ... The circuit of a control apparatus or system that carries the electric signals directing the performance of the controller but does not carry the main power current defines a _____. Control Circuit' Article 100. All nonlocking-type, 125V ...

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  • Top 8 Best DC Power Supplies for Sale In 2021: Reviews ...

    2021-8-31u2002·u2002Best DC Power Supply Reviews. 1. Tekpower Variable DC Power Supply. The first power supply in our list is from a company called Tekpower, which manufacturers budget multimeters, power supplies and other test equipment. Tekpower TP3005T is a variable DC Power Supply with voltage range from 0 to 30V and current from 0 to 5A.

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