A copper wire is held at two ends by rigid supports.At `30^0`C the wire is just taut,with negligble tension.Find the speed of transverse wave in the wire at `10^0`C[`alpha =1.7xx(10)^-5/^0C`,`gamma=1.3xx(10)^11N/(m)^2`,`rho=9xx(10)^3kg/(m)^3`]

A steel wire 0.72m long has amss of 5.0 xx 10^3 kg . If the wire is under the tension of 60N, what is the speed of transverse wavs on the wire?

A wire is under tension of 32N and the length between the two bridges is 1 metre.A 10 metre length of the sample has a mass of 2g.Deduce the speed of transverse waves on the wire and the frequency of the fundamental.

A copper wire has a diameter of 0.5 mm and a resistivity of 1.6×10^−6 ohm-m. How much of this wire would be necessary to make a resistance of 10 ohm?

A sonometer wire is under tension of 40 N and the length between the two bridges is 60 cm.A one metre long wire of the sonometer has a mass of 1.0 g.Deduce the speed of transverse waves and the frequency of the second harmonic.

A metallic wire 1 m in length is moving normally across a field of 0.1T with a speed of 5ms^(-1) . Find the emf between the ends of the wire.

A brass wire 1.8 m long at 27^@C is held taut with little tension between two rigid supports. If the wire is cooled to a temperature of 39 ^@C , what is the tension developed in the wire, if its. diameter is 2.0 mm? Co-efficient of linear expansion of brass = 2.0 XX 10^-5 K^-1 Young’s modulus of brass = 0.91xx10^11 P

The length of a cube is 10^@C is 10 cm. If temperature is increased to 30^@C what is the change in volume. (alpha = 7.2 xx 10^-5l^0C) .

2m/copper wire of length applying force length increase by 1mm. If the energy of the wire is converted to heat energy, calculate the increasing temp^n of the wire.(Y= 12.5 × 10^10 N/m^2; ρ = 9 × 10^3 kg /m^3 ; s = 385 J/kg – K)