Avoltage of 20.0 v is applied across the two ends of a tungsten wire with a temperature coefficient of resistivity of 4.50×10-3 1/k. initially the wire is kept at room temperature. if the wire is cooled down to freezing temperature, then the power dissipated by the wire will:

Orque can be calculated by multiplying the force (n) applied at 90∘ to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n⋅m. if the force (at 90∘ to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?