An array of solar panels produces 8.65 A of direct current at a potential difference of 148 V. The current flows into an inverter that produces 60-Hz alternating current with Vmax = 84.8 V and Imax = 14.7 A. What is the power efficiency of the %3D converter? O 48.7% O 97.4% O 68.9% 205%

Q: The generator at a large power plant has an output of 1,800,000 W at 30,000 V. a. If it were a DC…

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Q: A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much…

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Q: As shown below, a wire loop (that is immersed in a 0.43 T B-field) grows from a radius of 4.2 cm to…

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Q: 1. A small water-heating coil is submerged in a container with 200g of water and 100g of ice,…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: a. What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…

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Q: 8. A pair of power transmission lines each have 2.50- resistance and carry 650 Amp. If the primary…

A: R = 22.5 I = 650 A vp = 2.4 kv Step of transformer      Vs / Vp = 10/1 Vs = Vp × 10 Vs = 2.4 × 10 =…

Q: What is the current in the secondary line? If the primary 120V AC line with 50 turns around a core,…

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Q: V= ? 17,000 V 21. From the energy conservation point of view, the input power of the first…

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Q: The generator of a car idling at 1.582E+3 rpm produces 15.3 V. What will the output be at a rotation…

A: Given value--- angular speed 1 = 1.582E+3 rpm. Voltage 1 = 15.3 V. angular speed 2 = 2.886E+3 rpm.…

Q: A transformer has 670 primary and 230 secondary turns. An alternating potential of 70 V is applied…

A: Given data:Vp=70 V The number of primary turns is Np=300 The number of secondary turns is Ns=230…

Q: A transformer is used to charge a cell phone. The number of turns on the primary coil is 600. The…

A: Given data: Number of turns of primary coil is, Np=600. Magnitude of input voltage is, Vp=120 V.…

Q: During a 58-ms interval, a change in the current in a primary coil occurs. This change leads to the…

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Q: Ex.3-Cell phone charger. The charger for a cell phone contains a transformer that reduces 120- V (or…

A: V1= 120v  V2= 5v  N2= 30

Q: A power plant produces 1800 MW of power at a current of 30.0 kA. The power is then stepped up to a…

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Q: What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…

A: (a)Write the relation between turns of winding and voltage between primary and secondary winding.

Q: As shown below, a wire loop is immersed in a B-field (the direction of the field is shown in the…

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Q: 220 V is supplied across 1200 windings of the autotransformer. If 1650 primary coil of the windings…

A: We have following given values-Voltage, V= 220 VoltPrimary Windings, N1= 1200Secondary Windings, N2=…

Q: A 20.5 Hz, 17.5 V source produces a 1.8 mA current when connected to a capacitor. What is the…

A: f = 20.5 HzV = 17.5 VI = 1.8 mA and C = ?

Q: An electric power station is producing 280 kW of power that is to be sent to a small town located…

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Q: In a television set the power needed to operate the picture tube comes from the secondary of a…

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Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…

A: Given  V1= 330 kV V2= 775 kV P1 = 1000MW  R = 2.30 ohms

Q: A transforms has a voltage of 5000 V that comes out of it. If there are 3500 turns of wire on the…

A: Output/Secondary voltage (V') = 5000 volts Number of turns on output/secondary side (N') = 3500…

Q: The battery charger for cellphone contains a step-down transformer with a turns ratio 1:20, so that…

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Q: At roughly $0.10/kWh, what does it cost to leave a 25-W porch light on day and night for a year?…

A: To answer: The cost to leave 25 W porch light on day and night for a year.

Q: A multipurpose transformer has a secondary coil with several points at which a voltage can be…

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Q: The generator of a car idling at 1.638E+3 rpm produces 11.6 V. What will the output be at a rotation…

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