GATE EC 2015 Question Paper (31-Jan-2015) (Shift 1)

In the circuit shown, at resonance, the amplitude of the sinusoidal voltage (in Volts) across the capacitor is ___________________.

In the network shown in the figure, all resistors are identical with R = 300Ω. The resistance ${\mathrm{R}}_{\mathrm{ab}}\left(\mathrm{in}\mathrm{\Omega }\right)$ the network is___________.

In the given circuit, the values of V ₁and V ₂respectively are

A region of negative differential resistance is observed in the current voltage characteristics of a silicon PN junction if

A silicon sample is uniformly doped with donor type impurities with a concentration of 10¹⁶/cm³. The electron and hole mobilities in the sample are 1200 cm²/V-s and 400 cm²/V-s respectively. Assume complete ionization of impurities. The charge of an electron is 1.6 × 10⁻¹⁹C. The resistivity of the sample (in Ω-cm) is _____