GATE IN 2014 Question Paper (02-Feb-2014) (Shift 2)

The circuit shown in figure was at steady state for t < 0 with switch at position ‘A’. The switch is thrown to position ‘B’ at time t = 0. The voltage across the 10 ohm resistor at time t = 0⁺ is ________V.

The average real power in watts delivered to a load impedance Z${}_L$ = (4 – j2) by an ideal current source i(t) = 4 sin (ωt + 20°) A is ____

Time domain expressions for the voltage V₁(t) and V₂(t) is given by

V₁(t) = V${}_m$ sin (10t – 130°)

V₂(t) = V${}_m$ cos (10t + 10°)

Which is the correct statement

The anticlockwise direction of rotation of phasor may be taken as positive.

A pH electrode obeys Nernst equation and is being operated at 25°C. The change in the open circuit voltage in millivolts across the electrode for a pH change from 6 to 8 is ___________.

The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: