Find resistivity of wire, Q. A managing wire of length 2m has a diameter of...

Q. A managing wire of length 2m has a diameter of 0.4 mm with a resistance of 70 ohm. Find its resistivity. ρ = ( P X πr 2 ) / L                   = ( 70 X 22 X 2 X 10 -4 X 2

Longitudinal waves and guitar strings, Longitudinal Waves and Guitar String...

Longitudinal Waves and Guitar Strings According to the diagram this pressure wave consists of rarefactions and compressions. The compressions are regions of high pressure, wher

Michelson interferometer diagram,

Coulomb force experienced at its centre, a) Three equivalent charges 2.0 mi...

a) Three equivalent charges 2.0 micro coulomb each, are held fixed at the three corners of an equilateral triangle of side 5 cm. Determine the Coulomb force experienced at its cent

How can we prove, .how can we prove that sn=u+a(1/2)

.how can we prove that sn=u+a(1/2)

Chemical effects, He chemical effects of electricity

He chemical effects of electricity

Evaluate kinetic energy in oscillation, How many times the kinetic energy r...

How many times the kinetic energy reach at minimum and maximum point during one oscillation?

Describe working of heat engine, Describe working of Heat engine Heat ...

Describe working of Heat engine Heat engine is a device by which a system is made to undergo a cyclic process that results in conversion of heat to work.  * It having of a

Determine the current in the capacitor, A 25nF capacitor is connected in pa...

A 25nF capacitor is connected in parallel with a coil of resistance 2kΩ and inductance 0.20H across a 100V, 4 kHz supply. Determine (a) The current in the coil, (b) The cur

Determine the magnitude of the force in direct current, The weightless trus...

The weightless truss shown below supports loads at point A & B and is fastened to the supports at C & E.  The value of F1 in kN is given in P13 and the value of F2 in kN is given i