Find the rate of change of the solenoids magnetic field
The induced electric field 13cm from the axis of a solenoid with a 10cm radius is 48V/m . Find the rate of change of the solenoid's magnetic field.
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A can of soft drink at room temperature is put into the refrigerator so that it will cool. Would you model the can of soft drink as a closed system or open system? Explain.
Coil 1 has a radius of 6.7 cm and rotates in a 0.14-T field. Coil 2 rotates in a 0.59-T field. Each coil experiences the same maximum torque. What is the radius (in cm) of coil 2?
An air-standard dual cycle has a compression ratio of 9. At the beginning of compression, p1=100kPa, T1=300K, and V1=14L. The heat addition is 22.7 kJ, with one half added at constant volume and one half added at constant pressure.
A local children's boutique specializes in formal wear for young girls. It has recently hired a new seamstress. To assure the dresses have standard sizes, twenty samples of each 12 dresses that were labeled 3T were sampled.
Twenty percent of all telephones of a certain type are submitted for service while under warranty. Of these, 60% can be repaired, whereas the other 40% must be replaced with new units. If a company purchases ten of these telephones, what is the pr
Heavy crude oil (SG=0.925 and ν=1.0x10-4 m2/s) is pumped through a pipeline laid on flat ground. The line is made from steel pipe with 600 mm i.d. and has a wall thickenss of 12 mm.
A ductile metal wire of uniform cross section is loaded in tension until it just begins to neck. Assuming that volume is conserved, derive a differential expression relating the true stress to the true strain at the onset of necking.
Portable electric heaters are commonly used to heat small rooms. Explain the energy transformation involved during the heating process.
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