63801. In a circuit containing a complex impedance, maximum power transfer takes place when load is
63802. The resistance of a bulb at the time of full brightness is 1200 Ω. Then the resistance at room temperature is about
63803. For a delayed half wave rectified wave, the average and rms values are lower than those for half wave.
63804. A reactance function is always a quotient of
63805. In a driving point function poles and zeros must be conjugate if complex or imaginary.
63806. The storage battery used in power stations and substations is generally
63807. If Δs is an element of area and ΔI is the current through this element, current density J is defined as
63808. The Z parameter of the following T-network is
63809. For an m-derived filter, attenuation is infinite when f = f∞.
63810. Who invented Hydrogen bomb?
63811. RMS value of a square wave is the same as peak value.
63812. For graph of figure, one set of fundamental cutsets would be
63813. The closing of switch S1 and S2 in figure will light up
63814. Out of Metal-film type and Carbon-film type, the one with better tolerance specification is
63815. At very low frequencies a series R-C circuit behaves as almost purely __________ .
63816. In a composite filter terminating half sections are used for impedance matching.
63817. The bridge is balanced when the value of R is
63818. In figure, the current through R is 1 A when VA = 0 and VB = 15V. If both VA and VB are increased by 15V each, current through R will be
63819. When a series RL circuit having power factor angle 0 is switched on to an ac voltage Vm sin (ωt + Φ), the transient term is zero if Φ = 0.
63820. A series resonant circuit is capacitive at f = 150 Hz. The circuit will be inductive somewhere at
63821. In the circuit of figure, the switch is closed at t = 0 with iL (0) = 0 and VC (0) = 0. In the steady state nc equals.
63822. The maximum power that can be transferred to the load is resistor RL from the voltage source in the figure is
63823. The Thevenin equivalent circuit to the left of AB has Req
63824. A current increasing at the rate of 1A/s is passed through a 1 H inductor. At t = 0, i = 0. The flux linkages after 1 sec are
63825. The capacity of a battery is expressed in terms of
63826. Consider the following statements regarding driving point admittance function It is an admittance of R1 networkPoles and zeros alternate on the negative real axis of planeThe lowest critical frequency is a poleY(0) = 1/3 Which of these statements are correct?
63827. In terms of z parameters, the condition for the network to be passive is
63828. Among the filter, Bessel, Butterworth and chebyshev, the filter with maximally flat response is
63829. If a two port network is represented by an equivalent T network the admittance of series arm in term of ABCD parameter is equal to
63830. Which of the following words were added to the preamble of Indian Constitution under the 42nd Amendment?
63831. Assertion (A): A branch with no current through it can be replaced by an open circuit or short circuit.Reason (R): Reciprocity theorem is applicable only if the circuit has one source.
63832. Three capacitors each 9 μF are connected in delta. The value of each capacitor in equivalent star connection is
63833. The function is
63834. The electrolyte in nickel cadmium cell is dilute potassium hydroxide.
63835. The two port networks are connected in cascade, the combination is to be represented as a single two-Port network. The parameters of the network are obtained by multiplying the individual matrix
63836. Which one of the following statements is not a property of RL driving point impedance?
63837. In using mesh current method it is necessary that at least one mesh current links every element.
63838. The headquaters of UNICEF is .........?
63839. One kilowatt-hour is the unit of?
63840. Which one is correct option, if initial conditions is not zero, for inductor (L) and capacitor (c) is
63841. An RC impedance function has a constant value at s = 0. The last element in the first cauer synthesis
63842. Two port Z parameter not exist for the circuit if
63843. The current density J at a point and current I are related as
63844. For a reactance function H(s), the slope dH (jω)/dω is
63845. If the time is counted from the instant when an ac wave is at its peak value, we get a
63846. For an ac circuit having capacitance C, instantaneous current i and instantaneous voltage e are related as
63847. The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μr will be
63848. When a circuit is excited by ac sinusoidal source, the admittance is obtained by letting s = jω in Y(s).
63849. The innermost part of the stem,which consists entirely of cellular tissues,is called: