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The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides. Therefore, a transformer is plugged into the wall socket and produces the necessary voltage for charging the batteries. The batteries are rated at 9.0 V, and a current of 212 mA is used to charge them. The wall socket provides a voltage of 120V.

Two identical long wires of radius a = 1.60 mm are parallel and carry identical currents in opposite directions. Their center-to-center separation is d = 11.3 cm. Neglect the flux within the wires but consider the flux in the region between the wires. What is the inductance per unit length of the wires?

The diameter of wire A is greater than the diameter of wire B, but their lengths and resistivities are identical. For a given voltage difference across the ends, what is the relationship between and , the dissipated power for wires A and B, respectively?

(a)   

(b)   

(c)   

A solenoid with 3000.0 turns is 100.0cm long. If its self-inductance is 37.0 mH, what is its radius?

FInd the mutual inductance of a solenoid and coil in which the solenoid has 3701 turns per meter and an area of 156 cm^2, and the coil has 290 turns and an area 26 cm^2.

Determine the inductance of a solenoid with 640 turns in a length of 26 cm. The circular cross section of the solenoid has a radius of 4.5 cm.

What is the self inductance of a 5500-turns solenoid of radius 10cm and length 20 cm?

Two solenoids are equal in length and radius, and the cores of bothare identical cylinders of iron. However, solenoid A has four timesthe number of turns per unit length as solenoid B.
(a) Which solenoid has the larger self-inductance?

A B they are the same

(b) What is the ratio of the self-inductance of solenoid A to theself-inductance of solenoid B?
LA/LB =______

what is self inductance?

A statement found to be experimentally valid over a wide range ofobserved phenomena is referred to as a

a. model.
b. principle.
c. theory.
d. hypothesis.
e. law.

who is the main  rapper of stray kids ?(kpop grp)

Answer this question where is great lake tell me name 

Suggest possible research topics or titles from this research paper "Educational Tourism Destination Readiness and Opportunities of a State University". Authored by Maria Cristina Canson. The research paper can be found in Google.

What is the current leading hypothesis regarding the nature of dark matter, and what experimental or observational evidence supports this hypothesis?

Explain why a feather falls at the same rate as a hammer on the moon