In a television set the power needed to operate the picture tubecomes from the secondary of a transformer. The primary of thetransformer is connected to a 120-V receptacle on a wall. Thepicture tube of the television set uses 89W, and there is 5.5 mA of current in the secondary coil of thetransformer to which the tube is connected. Find the turns ratioNs/Np of thetransformer. Ns/Np =

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when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

a straight line sloped

this could be newton#'s law of cooling. the cooling curve is exponential

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm