A Wein bridge oscillator is shown in figure. Which of the following statements are true if $$'f'$$ is the frequency of o

The transfer function for the state variable representation $$\mathop X\limits^ \bullet = AX + BU,\,\,Y = CX + DU,$$ i

Consider a second order system whose state space representation is of the form $$\mathop X\limits^ \bullet = AX + BU.$

Signal flow graph is used to obtain the

Three devices $$A,$$ $$B$$ and $$C$$ have to be connected to a $$8085$$ microprocessor. Device $$A$$ has highest priorit

A $$10$$ bit $$A/D$$ converter is used to digitize an analog signal in the $$0$$ to $$5$$ $$V$$ range. The maximum peak

The following circuit (Fig.) resonates at

In the following circuit (Fig.) $$i(t)$$ under steady state is

A $$CRO$$ screen has ten divisions on the horizontal scale. If a voltage signal $$5$$ $$sin$$$$\left( {314t + {{45}^ \ci

VRN, VYN and VBN are the instantaneous line to neutral voltages and iR, iY and iB are instantaneous line currents in a

A metal strain gauge has gauge factor of two, it's nominal resistance is $$120$$ Ohms. It is undergoes a strain of $${1

A $$220/440$$ $$V,$$ $$50$$ $$Hz$$ single phase transformer operates on $$220$$ $$V,$$ $$40$$ $$Hz$$ supply with seconda

A cumulative compounded long shunt motor is driving a load at rated torque and rated speed. If the series field is shunt

Two $$550$$ $$kVA$$ alternators operate in parallel to supply the following loads $$(i)$$ $$250$$ $$kW$$ at $$0.95$$ po

A synchronous motor operates at $$0.8$$ $$p.f.$$ lagging. If the field current of the motor is continuously increased $

A three phase alternator has negligible stator resistance. A short circuit test is conducted on this alternator. At a pa

A three phase slip ring induction motor is fed from the rotor side with stator winding short circuited. The frequency of

The line integral of the vector potential A around the boundary of a surface S represents

Given the differential equation $${y^1} = x - y$$ with initial condition $$y(0)=0.$$ The value of $$y(0.1)$$ calculated

A chopper operating at a fixed frequency is feeding an $$R$$-$$L$$ load. As the duty ratio of the chopper is increased f

When a line commutated converter operates in the inverter mode

The thermal resistance between the body of a power semiconductor device and the ambient is expressed as

In load flow analysis, the load connected at a bus is represented as

The distribution system shown in figure is to be protected by over current system of protection. For proper fault discri

The transient stability of the power system can be effectively improved by

A three phase overhead transmission line has its conductors horizontally spaced with spacing between adjacent conductors

$$s(t)$$ is step response and $$h(t)$$ is impulse response of a system. Its response $$y(t)$$ for any input $$u(t)$$ is