GATE EE 2013 Question Paper (10-Feb-2013) (Shift 2)

A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. The logic of switching of the bulb resembles

For a periodic signal v(t) = 30 sin100t + 10 cos300t + 6 sin(500t + π/4), the fundamental frequency in rad/s is _____.

A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency which is not valid is

Consider a Delta connection of resistors and its Star equivalent as shown below. If all the elements of the Delta connection are scaled by a factor k, with k > 0, the elements of the corresponding Star connection will be scaled by a factor of ____

The angle δ in the swing equation of a synchronous generator is the