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

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

In a MOSFET operating in the saturation region, the channel length modulation effect causes

Which one of the following statements is NOT TRUE for a continuous time causal and stable LTI system?

The minimum eigen value of the following matrix is

A = ≤ft[ {*20c 3&5&2\\ 5&12&7\\ 2&7&5 } ]

A polynomial $f\left(X\right)=a_4{x}^4+a_3{x}^3+a_2{x}^2+a_{1}x-a_0$ with all coefficients positive has