77201. In a Parallel connection of circuit the bandwidth in terms of R, L, C is
77202. It two voltages are v1 = 100 sin (ωt - 30°) and v2 = cos ω t then
77203. In a purely inductive ac circuit the power curve is a sinusoid of the same frequency as the voltage.
77204. The superposition theorem is applicable to
77205. The current flowing through a pure capacitor is called displacement current.
77206. An active network has
77207. Which of the following material has nearly zero temperature-coefficient of resistance?
77208. Poor power factor
77209. The input resistance of the network in figure is
77210. If two networks are cascaded then
77211. When a series RL circuit is switched on to a dc voltage, the rate of change of current is maximum at t = 0.
77212. In a circuit containing a complex impedance, maximum power transfer takes place when load is
77213. The resistance of a bulb at the time of full brightness is 1200 Ω. Then the resistance at room temperature is about
77214. For a delayed half wave rectified wave, the average and rms values are lower than those for half wave.
77215. A reactance function is always a quotient of
77216. In a driving point function poles and zeros must be conjugate if complex or imaginary.
77217. The storage battery used in power stations and substations is generally
77218. If Δs is an element of area and ΔI is the current through this element, current density J is defined as
77219. The Z parameter of the following T-network is
77220. For an m-derived filter, attenuation is infinite when f = f∞.
77221. RMS value of a square wave is the same as peak value.
77222. For graph of figure, one set of fundamental cutsets would be
77223. The closing of switch S1 and S2 in figure will light up
77224. Out of Metal-film type and Carbon-film type, the one with better tolerance specification is
77225. At very low frequencies a series R-C circuit behaves as almost purely __________ .
77226. In a composite filter terminating half sections are used for impedance matching.
77227. The bridge is balanced when the value of R is
77228. 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
77229. 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.
77230. A series resonant circuit is capacitive at f = 150 Hz. The circuit will be inductive somewhere at
77231. 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.
77232. The maximum power that can be transferred to the load is resistor RL from the voltage source in the figure is
77233. The Thevenin equivalent circuit to the left of AB has Req
77234. 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
77235. The capacity of a battery is expressed in terms of
77236. 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?
77237. In terms of z parameters, the condition for the network to be passive is
77238. Among the filter, Bessel, Butterworth and chebyshev, the filter with maximally flat response is
77239. 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
77240. 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.
77241. Three capacitors each 9 μF are connected in delta. The value of each capacitor in equivalent star connection is
77242. The function is
77243. The electrolyte in nickel cadmium cell is dilute potassium hydroxide.
77244. 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
77245. Which one of the following statements is not a property of RL driving point impedance?
77246. In using mesh current method it is necessary that at least one mesh current links every element.
77247. Which one is correct option, if initial conditions is not zero, for inductor (L) and capacitor (c) is
77248. An RC impedance function has a constant value at s = 0. The last element in the first cauer synthesis
77249. Two port Z parameter not exist for the circuit if
77250. The current density J at a point and current I are related as
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