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The 100% efficient transformer in the diagram has three turns in its primary coil and nine turns in its secondary coil. When a 12 V alternating current source is connected to the primary coil, 3.0 A flow in the primary coil. What potential difference and current are induced in the secondary coil?
A potential difference of 1.50 V will be applied to a 40.0 m length of 18-gauge copper wire (diameter 0.04 in.), find the rate at which thermal energy will appear in the wire
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
In a volcanic eruption, 2 km3 of mountain with a density of 1600 kg/m3 was lifted an average height of 513 m. How much energy in joules was released in this eruption
Nearly all battery powered devices with multiple batteries have their batteries connected in series. Could there be any advantage to connecting batteries in parallel? Describe your response in 100 words or less.
After a hard rain, the coefficient of friction between rubber tires and wet asphalt is 0.5. How far does the car skid before coming to a stop
if a magnetic compass is placed between the plates of a fully charged capacitor, why wouldn't the compass will align itself along the electric field lines.. ... please explain in detail.
If the products of combustion contain only C02, CO, 02 , H20, H2 and N2, show that the degree of dissociation of C02 is approximately 0.32 and calculate the percentage by volume of H2 in the products.
If the charges are separated by 20 cm, calculate the magnitude of the net electric field halfway between the charges?
radiation from the head is a major source of heat loss from the human body. model a head as a 20-cm-diameter 20-cm-tall
Over the last 100 years, it is estimated that the top 700 m of the ocean have been heated by 0.1 degrees Celsius. Using the thermal expansivity of water, estimate how much sea-level rise this estimate implies. How much sea-level rise would a 1 degree..
A cart mass M moves on a frictionless track. It is attached to a string, which goes over a pulley wheel & has a mass m hanging from it. At t=0 s the cart starts from rest & accelerates. Find the tension in the sting & acceleration of the cart.
A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and released, find the absolute pressure PB in the bulb
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