GATE EE 2014 Question Paper (01-Mar-2014) (Shift 2)

The three circuit elements shown in the figure are part of an electric circuit. The total power absorbed by the three circuit elements in watts is ________

C₀ is the capacitance of a parallel plate capacitor with air as dielectric (as in figure (a)). If, half of the entire gap as shown in figure (b) is filled with a dielectric of permittivity ϵᵣ , the expression for the modified capacitance is

A combination of 1μF capacitor with an initial voltage v${}_c$ (0) = -2V in series with a 100 Ω resistor is connected to a 20 mA ideal dc current source by operating both switches at t = 0s as shown. Which of the following graphs shown in the options approximates the voltage vₛ across the current source over the next few seconds?

x(t) is nonzero only for $T_x<t<T{}_x^{\prime }$, and similarly, y(t) is nonzero only for $T_y<t<T{}_y^{\prime }$. Let z(t) be convolution of x(t) and y(t). Which one of the following statements is TRUE?

For a periodic square wave, which one of the following statements is TRUE?