What is average power used by coil when generator operates

Assignment Help Physics

Reference no: EM13538064

A coil has resistance R=8Ohms and inductance L=5milliHenries and is powered by a generator with variable frequency and maximum voltage V = 10Volts.

(a) What is the average power used by the coil when the generator operates at 60Hz?

(b) What is the average power used by the coil when the generator operates at one-thousand times the frequency in (a)?

Reference no: EM13538064

Questions Cloud

What is the blocks volume-blocks density : A solid block is suspended from a spring scale. The reading on the scale when the block is completely immersed in water is 25.8 N, and the reading when it is completely immersed in a liquid of density 869 kg/m3 is 26.7 N.

How many antinodes are there in the standing wave : A standing wave of 625 Hz is produced on a string that is 1.33 m long and fixed on both ends. If the speed of waves on this string is approximately 333 m/s, how many antinodes are there in the standing wave?

Created by colliding protons and anti-protons : A Higgs Boson particle can be created by colliding protons and anti-protons, each with a mass of m. If the Higgs Boson has a mass of 100m, how much energy must be put into the proton-antiproton system to create the Higgs Boson particle if a) moving p..

Calculate the gyrofrequency of an electron : Calculate the gyrofrequency of an electron in Earth's magnetic field, having a value of ~ 35 A-m-1. Determine the electron density values required to produce a zero refractive index for the case of propagation parllel to Earth's magnetic field at a f..

What is average power used by coil when generator operates : A coil has resistance R=8Ohms and inductance L=5milliHenries and is powered by a generator with variable frequency and maximum voltage V = 10Volts.

What is the change of entropy of the gas : Three moles of an ideal gas undergo a reversible isothermal compression at 21.5°C. During this compression, 1870 J of work is done on the gas. What is the change of entropy of the gas?

Calculate the entropy change of the water while it cools : You make tea with 0.375 kg of 94.6°C water and let it cool to room temperature (20.0°C) before drinking it. Calculate the entropy change of the water while it cools.

What is the work output of the engine during one cycle : A Carnot heat engine has a thermal efficiency of 0.615, and the temperature of its hot reservoir is 775 K. If 2375 J of heat is rejected to the cold reservoir in one cycle, what is the work output of the engine during one cycle?

What is the temperature of the low-temperature reservoir : A Carnot engine whose high-temperature reservoir is at 580 K takes in 520 J of heat at this temperature in each cycle and gives up 309 J to the low-temperature reservoir.

User Account

All Pages