What current must the wire have carried

Assignment Help Physics

Reference no: EM13535769

In Oersted's experiment, suppose that the compass was 0.27 m from the current-carrying wire. If a magnetic field of 1/4 the Earth's magnetic field of 5*10-5 T was required to give a noticeable deflection of the compass needle, what current must the wire have carried?

Reference no: EM13535769

Questions Cloud

Initially positioned at rest on a horizontal plane : Two small objects are connected by a string of length l and are initially positioned at rest on a horizontal plane. Charge of each object is q, mass is m. String is broken and objects start to slide away from each other on the horizontal plane. What ..

Thermal reactor-fueled with partially enriched uranium : It is found that, in a certain thermal reactor, fueled with partially enriched uranium, 13% of the fission neutrons are absorbed in resonances of U238 and 3% leak out of the reactor, both while these neutrons are slowing down; 5% of the neutrons that..

Netrons are slowed down to thermal energies : Netrons are slowed down to thermal energies in a 1:1 mixture of H2O and Uranium(4 atom % U-235,96 atom % U-238). Estimate the probability that a 0.0253 eV neutron will have scattering collision with H2O.

Calculate the change in the specific entropy of the parcel : A parcel of dry air is lifted isothermally such that its pressure decreases from 1000 hPa to 850 hPa. Calculate the change in the specific entropy of the parcel.

What current must the wire have carried : In Oersted's experiment, suppose that the compass was 0.27 m from the current-carrying wire. If a magnetic field of 1/4 the Earth's magnetic field of 5*10-5 T was required to give a noticeable deflection of the compass needle, what current must the w..

What is the final pressure of the gas : A 4.85 mol sample of a diatomic ideal gas (gamma = 1.4) expands slowly and adiabatically from a pressure of 4.05 atm and a volume of 13.5 L to a final volume of 34.5 L.

Consider a gas of photons in a cavity with a single photon : Consider a gas of photons in a cavity with a single photon mode at finite temperature τ. Show that the entropy of the gas can be expressed in terms of the average photon number as

Projectile is launched at angle with initial speed : A Projectile (Mass M) is launched at an angle (theta) with an initial speed u. Write expressions for angular momentum (L) and torque vectors (T) about the launch point. hence show that dL/dt = T. Assumptions: No Air Resistance and constant gravity

Determine the force-tension in the upper chain : The pulley system shown in the figure is used to lift a 53 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes a..

User Account

All Pages