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Q: the Ap index is the best choice for representing the global magnetic activity over an entire day.…
A: The correct option is C.Ap (Geometric Planetary Activity Index) is Magnetic Index that represents…
Q: Q4. Convert these into proper vector notation: Westward velocity of 42 km/h. Position 6.5 measured…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: How is a radio wave transmitted?
A:
Q: A generator has a 0.054 T magnetic field and a coil with 51 turns each with an area of 0.218 m2..…
A: Given: The strength of the magnetic field is 0.054 T. The number of turns is 51. The area of the…
Q: f a kiln has a temperature of 1770 K. What would be the peak wav
A: Given,Temperature of kiln, T = 1770 K
Q: The total power of DELTA connected system is greater than three times of total Power of STAR…
A: Answer is False. Power in DELTA is exactly three times more than STAR.
Q: The primary coil of a transformer has 130 turns. The secondary coil has 520 turns. If the secondary…
A: Given: The primary turn of the transformer is 130. The secondary turn of the transformer is 520. The…
Q: A generator has a 0.054 T magnetic field and a coil with 51 turns each with an area of 0.218 m2. At…
A: Emf induced in generator problem.
Q: Why is the direction of the answer -az?
A: Right hand rule is used to point out the direction of charge in motion (current), magnetic field and…
Q: A transformer has 440 turns in the primary coil, which provides 1280 V at 8.4 A. If the secondary…
A: Given: The turns in primary coil (Np) = 440. The voltage across primary coil (Vp) = 1280 V. The…
Q: A transformer has a voltage input of 120 V and an output of 1500 V. If the primary coil has 200…
A:
Q: What's the difference when a copper core is inserted into a solenoid instead of an iron core?
A: Dear student A solenoid is a device used to generate magnetic field. When current is passed through…
Q: If a commercial solar panel generates about 0.10 watts per square inch of surface area, how many…
A: The power generated by the solar panel per unit area is .The surface area of the commercial solar…
Q: can you write out the steps of how you got to I1, I2, I3 from the KVLs?
A:
Q: At a certain place, the angle of dip is 30° and horizontal component of earth's magnetic field is…
A:
Q: A step-down transformer, with 75 turns in the primary coil, is connected to a 120-V line.…
A: Using the relation, NsNp=VsVp
Q: What electrical conditions are required for two light globes to produce the same brightness?
A: The expression for the power,
Q: transformer has an input
A:
Q: What is not true about the Earti's magnetic field? It has always pointed in one direction. O It is…
A: The Earth's magnetic field is produced by the electric currents in the molten metallic core and…
Q: The earth may have even reversed the direction of its field several times during its history of 4 to…
A: The study of the rocks and soil to know about the magnetic properties is termed as rock magnetism.
Q: how much money is spent every day in keeping the TVs turned on?
A: Given: Number of TVs are n=104 million=104×106 On average each TV uses power P=77 W Time is t=6.4…
Q: A step-up transformer has a voltage input of 200 V and 600 turns in the primary. If the voltage…
A: Express the relation between number of turns and input voltage in a transformer. VpVs=NpNs Here,…
Q: The voltage across the input terminals of a transformer is 240 v. The primary has 50 loops and the…
A: Primary voltage, Vp = 240 V Number of turns in primary, Np = 50 Number of loops in secondary, Ns =…
Q: A step-down transformer has an input voltage of 250 V and 500 windings in the primary coil. If the…
A: Given value--- input voltage = 250 V. primary coil = 500 . output voltage = 100 V. We have to…
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