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UGC-NET 2018: (Networks & Motors) SpeedTest Quiz 13
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Question 1
Krichoff’s two laws for electrical circuits are manifestations of the conservation of
Question 2
In A.C. circuit laminated iron is invariably used in order to
Question 3
The Thevenin resistance of the network comprising of a resistor of 1Ω in series with a parallel combination of a current source of 2I amperes and a resistor of 1Ω through which I ampere of current flows is
Question 4
In an AC generator, a coil with 'N' turns, all with same area 'A' and total resistance 'R', rotates with frequency 'ω' in a magnetic field 'B'. The maximum value of the emf generated
In the coil is
In the coil is
Question 5
The coefficient of self-inductance of a coil is defined as
Question 6
For maximum power transfer between two cascaded sections of an electrical network, the relationship between the output impedance Z1 of the first section to the input impedance Z2 of the second section is
Question 7
In the circuit shown, the Norton equivalent resistance 
across terminals a-b is ______.
across terminals a-b is ______. Question 8
In the circuit shown in the figure, the value of node voltage V2 is
Question 9
In the circuit shown, VC is 0 volts at t = 0 sec. For t > 0, the capacitor current ic(t), where t in seconds, is given by
Question 10
The position control of a DC servo-motor is given in the figure. The values of the parameters are KT = 1 N-m/A, Ra = 1W, La = 0.1 H, J = 5 kg-m2, B = 1 N-m/(rad/sec) and Kb = 1V/(rad/sec). The steady-state position response (in radians) due to unit impulse disturbance torque Td is _________
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Feb 4ESE & GATE EC
