If the HLT instruction of a 8085 microprocessor is executed,

All the resistances in figure are each. The value of current ‘I’ is

Which of the following equations represents the Gauss’ law in a homogeneous isotropic medium?

Using Thevenin equivalent circuit, determine the rms value of the voltage across the 100 ohm resistor (PQ) after the switch is closed in the 3-phase shown in figure.

The equivalent inductance seen at terminals A-B in figure is _____________H

For what range of K is the following system (figure) asymptotically stable? Assume

A resistance is measured by the voltmeter ammeter method employing d.c. excitation and a voltmeter of very high resistance connected directly across the unknown resistance. If the voltmeter and ammeter readings are subject to maximum possible errors of  respectively, then the magnitude of the maximum possible percentage error in the value of resistance deducted from the measurement is nearly

In d.c. potentiometer measurements, a second reading is often taken after reversing the polarities of the d.c. supply and the unknown voltage, and the average of the two reading is taken. This is with a view to eliminate the effects of

The impulse response of a network is  for  and zero otherwise. Find the impulse response of two such networks in cascade, neglecting loading effects.

For what values of ‘a’ does the system shown in figure have a zero steady state error  for a step input?                 

In the circuit shown in figure, L is large and the average value of ‘i’ is 100A. The thyristor is gated in the ________________ half cycle of ‘e’ at a delay angle  equal to __________

The number of comparators needed in a parallel conversion type 8-bit A to D converter is

In load flow studies of a power system, the quantities specified at a voltage-controlled bus are _______________ and _______________

An electrostatic potential is given by  volts in the rectangular co-ordinate system. The magnitude of the electric field at ,  is _____________ V/m

An ideal OPAMP is used to make an inverting amplifier. The two input terminals of the OP-AMP are at the same potential because

In a Common Emitter amplifier, the un-bypassed emitter resistance provides

The overall transfer function of the system in figure, is

In the circuit of figure, the switch ‘S’ is closed at t=0 with . In the steady state  equals

An unshielded moving iron voltmeter is used to measure the voltage in an a.c. circuit. If a stray d.c. magnetic field having a component along the axis of the meter coil, the meter reading would be

Match the following transfer functions and impulse responses

Which of the following figure(s) represent valid root loci in the s-plane for positive K? Assume that the system has a transfer function with real co-efficient.

A Buchholz relay is used for

In a dual slope integrating type digital voltmeter the first integration is carried out for 10 periods of the supply frequency of 50 Hz. If the reference voltage used is 2 V, the total conversion time for an input 1V is ___________ sec

The time constant of the network shown in figure, is

In an RC-coupled Common Emitter amplifier, which of the following is true?

The circuit shown in figure is excited by the input shown in the figure. Sketch the waveform of the output also indicating the salient values. Assume all components to be ideal.

The torque angle of a synchronous machine operating from a constant voltage bus, is usually defined as the space angle between

Two transformers of the same type, using the same grade of iron and conductor materials, are designed to work at the same flux and current densities; but the linear dimensions of one are two times those of the other in all respects. The ratio of kVA of the two transformers closely equals

A unity feedback system has the open loop transfer function                 

The Nyquist plot of G encircles the origin

Match the following

The inductance of a power transmission line increases with

Figure depicts the load characteristics of an isolated three-phase alternator, running at constant speed. Match the following sets of operating conditions with the given characteristics. Disregard the effects of saliency, saturation and stator resistance.

(a) Constant excitation and non-zero leading power-factor
(b) Constant excitation and zero power-factor leading
(c) Constant terminal voltage and zero power-factor leading
(d) Constant terminal voltage and non-zero leading power-factor

In the following circuit (figure.), the output V follows an equation of the form                

Find a, b and f(t).

Neglecting all losses, the developed torque (T) of a d.c. separately excited motor, operating under constant terminal voltage, is related to its output power (P) as under

Two transformers of different kVA ratings working in parallel share the load in proportion to their ratings when their

The developed electromagnetic force and/or torque in electro-mechanical energy conversion systems act in a direction that tends

The selection of size of conductors for a distributor in a distribution system is governed by

A separately excited d.c. motor has an armature resistance of 0.5 ohm. It runs off a 250V d.c. supply drawing an armature current of 20A at 1500 rpm. The torque developed for an armature current of 10A will be _________________ for the same field current.