**Description** : What is the reciprocal of capacitance?

**Answer** : The reciprocal of capacitance is called elastance, and its unit is the reciprocal farad, also called the daraf.

**Description** : What is the reciprocal of resistivity?

**Answer** : conductivity, mho

**Description** : what is the reciprocal of admittance?

**Answer** : impedance is the reciprocal of admittance.

**Description** : what is the reciprocal of reactance?

**Answer** : reciprocal of reactance is susceptance.

**Description** : Reciprocal of reluctance is?

**Answer** : Reciprocal of reluctance is permeance.

**Description** :

Conductance is reciprocal of?

**Answer** : Conductance is reciprocal of resistance.

**Description** : What is inductance?

**Answer** : Inductance is the property of Material by which it opposes the any change of magnitude or direction of electric current passing through the conductor. The inductance is denoted by L. The unit of inductance is Henry (H).

**Description** :

**Answer** : Unit of inductance is Henry denoted by capital H .

**Description** : effect of inductance and capacitance on performance of transmission line.

**Answer** : Following are the effect on performance of transmission line: 1. Due to inductance (L) voltage drop in transmission line produces. 2. Capacitor (C) draws charging current ... , transmission line efficiency, voltage regulation & also power factor of transmission line gets affected.

**Description** : Self inductance formula

**Answer** : Self inductance formula

**Description** : Self induced voltage across an inductance

**Answer** : Self induced voltage across an inductance

**Description** : Describe with working of LCR meter for measurement of inductance.

**Answer** : working of LCR:- A LCR meter (Inductance (L), Capacitance (C), and Resistance (R) test equipment used to measure the inductance, capacitance and, resistance of a component. It works on the ... in parallel (as would be encountered in measuring a capacitor with a leaky dielectric) [Q setting ]

**Description** : lt the length, number of turns and area of a coil are doubled, the inductance of the coil

**Answer** : lt the length, number of turns and area of a coil are doubled, the inductance of the coil is quadrupled

**Description** :

The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs.

**Answer** : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is 20 Vs

**Description** :

When both the inductance and resistance of a coil are doubled the value of?

**Answer** : When both the inductance and resistance of a coil are doubled the value of time constant remains unchanged.

**Description** : The inductance of a coil can be increased by?

**Answer** : The inductance of a coil can be increased by choosing core material having high relative permeability.

**Description** :

Inductance of coil?

**Answer** : Inductance of coil increases with the increase in supply frequency.

**Description** :

Inductance of a coil Varies?

**Answer** : Inductance of a coil Varies as directly as the cross-sectional area of magnetic core and inversely as the length of the iron path.

**Description** :

Inductance affects the direct current flow?

**Answer** : Inductance affects the direct current flow at the time of turning on and off.

**Description** : State the impact of inductance and resistance on transmission line performance

**Answer** : Impact of inductance on transmission line: 1) It causes IXL drop in transmission line which affects regulation. 2) It is the only parameter which decides power transmission capacity of line i. ... is very small, it causes losses, temperature rise& poor voltage regulation so it cannot be neglected

**Description** : For 11kV line the inductance per km per phase will be of the order of:
(A) 1 H (B) 0.1 H (C) 1 mH (D) 0.1 mH

**Answer** : For 11kV line the inductance per km per phase will be of the order of: 1 mH

**Description** : The self inductance of a coil can be measured using
(A) Wien’s Bridge (B) Schering Bridge
(C) Anderson’s Bridge (D) Wheatstone Bridge

**Answer** : The self inductance of a coil can be measured using Anderson’s Bridge

**Description** : The bridge method commonly used for finding mutual inductance is
(A) Heaviside Campbell bridge (B) Schering bridge
(C) De Sauty bridge (D) Wien bridge

**Answer** : The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge

**Description** :

**Answer** : If an inductance is connected in one arm of bridge and resistances in the remaining three arms the bridge cannot be balanced.

**Description** :

**Answer** : For measurement of inductance having high value, we should use Hay's bridge.

**Description** :

**Answer** : For measurement of mutual inductance we can use Heaviside bridge.

**Description** :

**Answer** : In an Anderson bridge, the unknown inductance is measured in terms of known capacitance and resistance.

**Description** : An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms?

**Answer** : An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, both resistance and inductance carry equal currents.

**Description** :

**Answer** : Reciprocal of conductivity is resistivity.

**Description** : what is the reciprocal of resistance ?

**Answer** : reciprocal of resistance is conductance.

**Description** : For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. What is the value of D ?
(a) 9.5 (b) 9.0 (c) 8.5 (d) 8.0

**Answer** : For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. What is the value of D ? (a) 9.5 (b) 9.0 (c) 8.5 (d) 8.0

**Description** : Admittance is reciprocal of
(a) susceptance (b) impedance (c) reactance (d) conductance

**Description** : For a two port network to be reciprocal:
(A) Z11= Z22 (B) Y21 = Y21 (C) h21 = h22 (D) AD-BC = 0

**Description** : The reciprocal of resistance is called
(A) Impedance (B) Conductance (C) Inductance (D) Susceptance

**Description** : State under what situations differential leveling and reciprocal leveling is adopted.

**Answer** : 1. Differential leveling is adopted when i. The points are at a great distance apart. ii. The difference of elevation between the points is large. iii. There is obstacle between the points. ... or valley as it is not possible to place the level midway between two points on opposite banks.

**Description** : What is the value of Inductance of a coil that induces 20 V when the current through the coil changes from 12 to 20 A in 2 seconds? A. 2 H B. 3 H C. 4 H D. 5 H

**Answer** : 5 H is the value of Inductance of a coil that induces 20 V when the current through the coil changes from 12 to 20 A in 2 seconds.

**Description** :

**Answer** : 1)no of turns 2)area of coil 3)length of coil 4)thickness of conductor

**Description** : State the purposes of following methods of leveling. i)Profile leveling, ii)Fly leveling, iii)Check leveling iv)Reciprocal leveling

**Answer** : 1. Profile leveling- To determine the undulation of ground surface along given line for alignment of road, canal or pipe, railway line 2. Fly leveling-It is used to for connecting B.M. to ... is used to find the difference in leveling between two points two point obstructed due to river or pond.

**Description** : Explain reciprocal ranging with neat sketch.

**Answer** : Reciprocal ranging is done when ends of survey line are not intervisible due to hill intervening or ends of survey line are at far distance apart. Step wise procedure reciprocal ranging: 1. Let A and B be ... chained. 8. This method can also be used in ranging a line across a valley.

**Description** : Explain with neat sketch the procedure of reciprocal ranging.

**Answer** : Reciprocal ranging / Indirect ranging Procedure: Let A and B be two survey stations. They are not mutually visible due to high ground between them. Let two assistant stands at M1 and N1 as ... and N1 which are nearer to line AB. Repeat same process until points M and N are established.

**Description** : Explain reciprocal levelling with neat sketch.

**Answer** : Reciprocal levelling is adopted i) To find the difference in level accurately Between the two points considerably apart. ii) When it is not possible to set up the level in between the two points ... true difference is equal to the mean of the two apparent differences of level between A and B

**Description** : Successful Communication in classroom teaching is (A) Circular (B) Reciprocal (C) Directional (D) Influential

**Answer** : (B) Reciprocal

**Description** : The sum of a positive number and its reciprocal is twice the difference of the number and its reciprocal. The number is : (A) √2 (B) 1/√2 (C) √3 (D) 1/√3

**Answer** : Answer: C

**Description** : Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

**Answer** : All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship.

**Description** : A transmission line to be reciprocal, the condition is (a) A = D (b) AC – BD = 1 (c) AD – BC = 1 (d) AB – CD = 1

**Description** :

**Answer** : Reciprocal of permeability is reluctivity.

**Description** : State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.

**Answer** : Errors in wattmeter: i) pc - inductance: Pressure coil inductance causes wattmeter to read more power than actual . ii) pc-capacitance: The wattmeter reads less power. iii) ... iv) Connection: In uncompensated wattmeter , the reading of wattmeter includes the powerloss in coils.

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