Description : The equivalent resistance between point A and B of an infinite network of resistance, each of `1Omega`, connected as shown, is
Last Answer : The equivalent resistance between point A and B of an infinite network of resistance, each of `1Omega`, connected ... C. `(1+sqrt5)/(2)Omega` D. zero
Description : In the circuit shown in figure ammeter and voltmeter are ideal. If `E=4 V,R=9Omega` and `r=1Omega` then readings of ammeter and voltmeter are
Last Answer : In the circuit shown in figure ammeter and voltmeter are ideal. If `E=4 V,R=9Omega` and `r=1Omega` then readings of ... V C. 3 A, 4 V D. 4 A, 4 V
Description : The temperature coefficent of resistance of a wire is 0.00125 per `.^(@)C`, At 300 K, its resistance is `1Omega`. At what temperature will its resista
Last Answer : The temperature coefficent of resistance of a wire is 0.00125 per `.^(@)C`, At 300 K, ... At what temperature will its resistance become `2 Omega` ?
Description : A circuit consists of three bateries of emf `E_(1) = 1V, E_(2)=2V` and `E_(3)=3V` and internal resistance `1Omega, 2Omega` and `1Omega` respectively w
Last Answer : A circuit consists of three bateries of emf `E_(1) = 1V, E_(2)=2V` and `E_(3)=3V` and internal resistance `1Omega, ... ` B. `2.0V` C. `2.2V` D. `3.0V`
Description : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is
Last Answer : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The ... `(mu_(0)I)/(2sqrt(2)pir)` D. zero
Description : Find the equivalent resistance of the circuit shown in Fig.4.60 between the points A and B. Each resistor has a resistance r.
Last Answer : Find the equivalent resistance of the circuit shown in Fig.4.60 between the points A and B. Each resistor has a resistance r.
Description : For the circuit shown in figure given below, the equivalent resistance points A and B is
Last Answer : For the circuit shown in figure given below, the equivalent resistance points A and B is A. `10Omega` B. `5 Omega` C. `(10)/(3)Omega` D. `2Omega`
Description : Compute the equivalent resistance of the network shown in A and B? -Technology
Last Answer : 1 is correct
Description : Find the equivalent resistance of the networks shown in Fig. 4.51 between the points A and B.
Last Answer : Find the equivalent resistance of the networks shown in Fig. 4.51 between the points A and B.
Description : The equivalent resistance resistance between A and B of network shown in figure is
Last Answer : The equivalent resistance resistance between A and B of network shown in figure is A. `(3R)/(4)` B. `(4R)/(3)` C. 6 R D. 2 R
Description : In the network of resistors shown in the adjoining figure, the equivalent resistance between A and B is
Last Answer : In the network of resistors shown in the adjoining figure, the equivalent resistance between A and B is A. 54 ... `Omega` C. 36 `Omega` D. 9 `Omega`
Description : In the network shown, the equivalent resistance between A and B is
Last Answer : In the network shown, the equivalent resistance between A and B is A. `(4)/(3)Omega` B. `(3)/(4)Omega` C. `(24)/(17)Omega` D. `(17)/(24)Omega`
Description : What is the total resistance of the circuit shown in figure 3- 59? (Hint: Redraw the circuit to simplify and then use equivalent resistances to compute for RT.)
Last Answer : 4Ω
Description : Find the Norton equivalent resistance for the network shown in Fig No. 2
Last Answer : Solution: To find Norton’s equivalent resistance removing voltage source and current source. Voltage source is replaced by short circuit and current source is replaced by open circuit so, we get circuit as
Description : To what circuit arrangement is a common-base detector equivalent?
Last Answer : A diode detector followed by a stage of audio amplification.
Description : Two forces, one with a magnitude of 3N and the other with a magnitude of 5N ,are applied to an object. For which orientations of the forces shown in t
Last Answer : Two forces, one with a magnitude of 3N and the other with a magnitude of 5N ,are applied to an object. For ... of the object the least ? A. B. C. D.
Description : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B
Last Answer : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists ... sqrt(3)IB` C. `sqrt(2I) lB` D. 2Ilb
Description : The magnitude and direction of the current in the circuit shown will be
Last Answer : The magnitude and direction of the current in the circuit shown will be A. `(7)/(3)A` from a to e B. `(7)/ ... e C. 1A from b to e D. 1A from a to e
Description : In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J
Last Answer : Ans:(b) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false
Description : What will be the total output voltage if four 1.5 volt batteries are connected in a series-parallel arrangement as shown in the illustration? EL-0039 A. 1.5 volts B. 3.0 volts C. 4.5 volts D. 6.0 volts
Last Answer : Answer: B
Description : What does the arrangement at coordinates '62E' shown in the illustration represent? EL-0099 A. Position recording drum and stylus B. Temperature compensating thyristor C. Miniature bridge rectifier D. Twisted wire pair within a shield
Last Answer : Answer: D
Description : Component 'C' in section 'I' shown in the illustration represent ____________. EL-0093 A. a selectable holding coil arrangement B. a 'fuse blown' indicator circuit C. 'reset' and 'trouble' lamps D. a handset with switch and voice elements
Description : As shown in the illustration, a 'pitch cutback' feature is incorporated in the system. This circuit reduces pitch amount to prevent engine overload when it senses ____________. EL-0095 A. pitch error of ... servo' C. excessive propeller speed or fuel to either engine D. only one engine on the line
Last Answer : Answer: C
Description : The diagrams shown in the illustration represent a/an _______________. EL-0093 A. engine order telegraph circuit B. rudder angle indicator arrangement C. engine speed tachometer with repeaters D. sound powered telephone system
Description : Which of the listed figures shown in the illustration represents devices connected in a three-phase delta-delta arrangement? EL-0084 A. A B. B C. C D. D
Last Answer : Answer: A
Description : Which of the listed figures shown in the illustration represents devices connected in a three-phase delta-wye arrangement? EL-0084 A. A B. B C. C D. D
Description : Which of the listed figures shown in the illustration represents devices connected in a three-phase wye-delta arrangement? EL-0084 A. A B. B C. C D. D
Description : Which of the listed figures shown in the illustration represents devices connected in a three-phase wye-wye arrangement? EL-0084 A. A B. B C. C D. D
Description : Stoner and others have shown how groups can make decisions that are much less, or much more, cautious that any member would take alone. What are these changes called? (a) Diffusion of responsibility ; (b) Risky and cautious shift ; (c) Polarisation (d) Decision arrangement
Last Answer : (a) Diffusion of responsibility ;
Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. ... a) S, Q, R, W b) P, Q, Y, W c) P, Q, R, W d) P, Q, R, S
Last Answer : b) P, Q, Y, W
Description : The following action by a Govt servant does not amount of contravention of rule 5(4) a) Making normal arrangement during election tours o ministers to enable them to carry out their responsibilities as ... to Ministers on their visits connected with election campaign. c) A only d) All the above
Last Answer : d) All the above
Description : What is the order of magnitude of electric resistance of the human body (dry) ? -Do You Know?
Last Answer : answer:
Description : If electric resistance is to be decreased, then the number of resistances should be connected in – (1) Series (2) Parallel (3) Mixed arrangement (4) None of these
Last Answer : (2) Parallel Explanation: Resistors are in parallel when each resistor is connected directly to the voltage source by connecting wires having riegligible resistance. Each resistor thus has the full voltage ... same full voltage of the source applied to it, but divide the total current amongst them
Description : The true power indicated by a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the _____________. A. power factor of the load B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Description : The true power indicated by the pointer movement of a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the ____________. A. power factor of the ... B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Description : What is the order of magnitude of electric resistance of the human body (dry)?
Last Answer : 106 ohm
Description : Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism
Last Answer : (B) Magnitude of intermolecular forces
Description : Magnitude of induced e.m.f is proportional to A. rate of change of current B. rate of change of voltage C. rate of change of magnetic flux linkage D. rate of change of resistance
Last Answer : rate of change of magnetic flux linkage
Description : Which one of the following is the advantage of connecting two dry cells in parallel instead of in series? Is it because the parallel arrangement: w) gives twice the EMF of one dry cell x) has no ... circuit half as fast as would a single cell z) has half the internal resistance of a single cell
Last Answer : ANSWER: Z -- HAS HALF THE INTERNAL RESISTANCE OF A SINGLE CELL
Description : If electric resistance is to be decreased, then the number of resistances should be connected in _______ (1) Series (2) Parallel (3) Mixed arrangement (4) None of these
Last Answer : Parallel
Description : In the following diagram are shown the position of an object O, image I and two lenses. The focal length of one lens is also given. Determine the foca
Last Answer : In the following diagram are shown the position of an object O, image I and two lenses. The ... given. Determine the focal length of the other lens.
Description : Cases in which secondary evidence relating to documents may be given a) When the original is shown or appear to be in the possession or power of the person against whom the document is sought to be ... d) When the original is public document within the meaning of sec 74 e) All the above
Last Answer : e) All the above
Description : The given diagrammatic OH OH HOCH O 2 X representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one ... Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil
Last Answer : (d) Nucleoside Uracil
Description : Calculate the equivalent resistance between points A and B in each of the following networks of resistors :
Last Answer : Calculate the equivalent resistance between points A and B in each of the following networks of resistors :
Description : A `5 Omega` resistor is connected in series with a parallel combination of n resistors of `6 Omega` each. The equivalent resistance is `7 Omega`. Find
Last Answer : A `5 Omega` resistor is connected in series with a parallel combination of n resistors of `6 Omega ... The equivalent resistance is `7 Omega`. Find n.
Description : If each of the resistance in the network in figure `R`, the equivalent resistance between terminals `A` and `B` is
Last Answer : If each of the resistance in the network in figure `R`, the equivalent resistance between terminals `A` and `B` is A. R B. 5R C. 3R D. 6R
Description : Four equal resistors are connected in parallel, each resistor has an ohmic value of 100 ohms, what is the equivalent resistance?
Last Answer : 25 ohms
Description : N resistors of each of resistance R when connected in series offer an equivalent resistance of 50 ohm and when reconnected in parallel the effective resistance is 2 ohm the value of R is
Description : What is the equivalent resistance of a network having 5 resistors of each 10ohm connected in parallel? (A) 10 Ohms (B) 50 Ohms (C) 500 Ohms (D) 2 Ohms
Last Answer : D) 2 ohms Solution: 1/Rt = (1/R)(n) 1/Rt = (1/10) (5) 1/Rt = 5/10 Rt = 2 ohms
Description : Calculate the noise figure of the receiver whose RF amplifier has an input resistance of 1000Ω and an equivalent shot-noise resistance of 2000Ω, a gain of 25 and load resistance of 125 kΩ. Given that the bandwidth is 1. ... to an antenna with an impedance of 75Ω. A. 30.3 B. 3.03 C. 303 D. .303
Last Answer : A. 30.3