GATE IN 2015 Question Paper (01-Feb-2015) (Shift 2)

The capacitor shown in the figure is initially charged to +10 V. The switch closes at time t = 0. Then the value of V${}_c$ (t) in volts at time t = 10 ms is ______ V.

The torque transmitted by a cylindrical shaft is to be measured by using two strain gauges. The angles for mounting the strain gauges relative to the axis of the shaft for maximum sensitivity are

A p-type semiconductor strain gauge has a nominal resistance of 1000 Ω and a gauge factor of +200 at 25°C. The resistance of the strain gauge in ohms when subjected to a strain of +10⁻⁴ m/m at the same temperature is __________ Ω.

Liquid flow rate is measured using

The output voltage of the ideal transformer with the polarities and dots shown in the figure is given by