GATE 2022 : National Champion Quiz 1

Two coupled coils connected in series have an equivalent inductance of 16 mH or 8 mH depending upon the connection. The value of mutual inductance is

Assuming that the diodes in the circuit are ideal, then V₀ is ___V

The value ‘V_x’ in the figure below is ____ (in V). (Rounded up to two decimal places)

The Thevenin’s equivalent voltage across the terminals ab is______.

A series feedback amplifier using a transconductance amplifier operates with V_S = 100mV, V_f = 95mV, I₀ = 10mA

Find the overall gain with feedback

The sum of Z-parameters of the two port network shown below is ______?

In the network as shown, with I_S1 = 5A, I_S2 = 10A, V_AB = 120 V, and with I_S1 = 10A, I_S2 = 5A, V_AB = 15 V. What is the value of k to describe I_S1 = k I_S2, such that V_AB = 0?

In the regulator circuit shown below V_Z = 12 V, β = 50, V_BE = 0.7 V. The Zener current is ______mA.

The time period of the output generated by the op-amp circuit shown in figure is  (in sec). (For diode V_r = 0.7 V).

A series RLC circuit has a resistance of 50Ω, inductance of 0.4H and a capacitor of 10μF. The circuit is connected across a 100V supply. The resonance frequency and the current through the resistance are

Consider the circuit shown below. Assume diodes are ideal

If V₁ = 10V and V₂ = 5V then output voltage V_o will be _____ V

Find the output voltage of the following circuit assume the ideal op-amp behavior.

______ .