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A transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor, as shown in the drawing. There are 12 turns in the primary coil and 20 turns in the secondary coil. The peak voltage in the resistor is 54 V. What is the peak emf of the generator?
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. The turns ratio of the transformer is 45:1. Find the power consumed by the air filter
Given an isothermal expansion of gas from 1.0 to 2.0 cubic meters in a piston-cylinder arrangement where pressure varies according to P= 1.2 atm -.062 atm/ m^3 V, How much work was done by the gas
1. a diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. how many carbon atoms are
Motor M draws in the cable with an acceleration of 4 ft/s^2, measured relative to the 200 lb mine car. Determine the acceleration of the car and the tension in the cable. avoid the mass of the pulleys.
Calculate the work done, the amount of heat absorbed, and the change in internal energy during: melting of 1 gram of ice to water at a temperature of O degrees Celsius under a constant pressure of 1 atmosphere
a roller coaster moves 85m horizontallythen travels 45m at an angle of 30.0 degrees above the horizontal. what is its
A 45.3 g mass is attached to a horizontal spring with a spring constant of 14 N/m and released from rest with an amplitude of 37.2 cm. What is the velocity of the mass
The temperature at a point 50 km north of a station is 3 degree C coolor than at the station. If the wind is blowing from the northeast at 20 m s^-1 and the air is being heated by radiation at the rate of 1 degree C H^-1, what is the local temperatur..
answer the given questions with one of the statements that follow and defend your answer. the answer to each part is
A butterfly flies from the top of a tree in the center of a garden to rest on top of a red flower at the gardens edge. Determine the magnitude of the butterflys displacement
What is the magnitude of buoyancy force ?
What is the speed of the center of mass
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