The bridge used to measure the dielectric loss of an insulator is: A) Anderson bridge B) Wien’s bridge C) Schering bridge D) Any of the above

2 Answers

Answer :

 The bridge used to measure the dielectric loss of an insulator is: Schering bridge

Answer :

C)Schering bridge

Related questions

Description : If the loss tangent is very less, then the material will be a a) Conductor b) Lossless dielectric c) Lossy dielectric d) Insulator

Last Answer : b) Lossless dielectric

Description : Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge

Last Answer : Dielectric loss in a capacitor is best measured by Schering Bridge

Last Answer : The dielectric loss of capacitance can be measured by Schering bridge.

Description : With the help of which bridge are the capacitance and dielectric loss of a capacitor generally measured ?

Last Answer : With the help of Schering bridge are the capacitance and dielectric loss of a capacitor generally measured.

Description : A Wien bridge is used to measure (A) quality factor of a coil (B) audio frequency of a signal (C) capacitance of a capacitor (D) inductance of a coil 

Last Answer : D)  Inductance of a coil

Description : Maxwell's bridge is used to measure (A) Inductance (B) Frequency (C) Capacitance (D) Resistance

Last Answer : Maxwell's bridge is used to measure Inductance 

Last Answer : Maxwell-Wien bridge is used to measure Inductance.

Last Answer : Anderson Bridge is used to measure: L.

Description : A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material

Last Answer : Answer: A

Description : What is the dielectric constant of polyethylene (PE) insulator? A. 2.5 B. 3.3 C. 2.27 D. 2.1

Last Answer : C. 2.27

Description : What is the impedance of a balance 4-wire with a diameter of 0.25 cm and spaced 2.5 cm apart using an insulator with a dielectric constant of 2.56? A. 100Ω B. 65Ω C. 75 Ω D. 50 Ω

Last Answer : A. 100Ω

Description : insulator which is placed between 2 plates of capacitor isA. electric B. dielectric C. inductor D. resistor

Last Answer : dielectric

Description : A dielectric is always an insulator. But an insulator is not necessarily a dielectric. State True/False. a) True b) False

Last Answer : a) True

Description : How is the dielectric strength of an insulator determined?

Last Answer : By raising the voltage on a test sample until it breaks down.

Description : What is the difference between an insulator and a dielectric?

Last Answer : Dielectric is the another name for insulator.

Last Answer : Introduction of dielectric: Increases the capacitance

Last Answer : Loss of charge method is used to measure: High R

Description : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge.

Last Answer : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is Schering Bridge.

Description : A megohmmeter is used to measure _____________. A. voltage B. dielectric strength C. current D. power

Last Answer : Answer: B

Description : State the methods used to measure insulation resistance and explain Dielectric Absorption method.

Last Answer : There are three types of tests for measuring insulation resistance:  1. Spot test reading or Short Time test  2.Time-resistance test or Dielectric absorption test or Testing methods based on the PI & DAR  3. ... and if value of PI is less than 2 and value of DAR is less than 1.25

Description : The Maxwell bridge is used for measuring (a) Capacitance (b) Dielectric loss (c) Inductance (d) Phase angle 

Last Answer : b)inductance

Description : Assertion (A) : Wein bridge oscillator is generally used as a variable audio frequency oscillator Reason (R) : by using either capacitor (or) resistor in one of the arms of the bridge, the frequency of a wein bridge oscillator ... C) (A) is true but (R) is false (D) (A) is false but (R) is true

Last Answer : Assertion (A) : Wein bridge oscillator is generally used as a variable audio frequency oscillator Reason (R) : by using either capacitor (or) resistor in one of the arms of the bridge, the frequency of a wein bridge oscillator ... ) (A) is true but (R) is false (D) (A) is false but (R) is true

Description : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is   (A)sinusoidal (B) square (C) rectangular (D) triangular

Last Answer : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is sinusoidal 

Description : A dummy strain gage is used in a quarter bridge strain gage circuit to :  (A) compensate for changes in temperature and lead wire resistance  (B) produce more output voltage from the bridge  (C) increase the sensitivity of the bridge  (D) compensate lead wire resistance only

Last Answer : A dummy strain gage is used in a quarter bridge strain gage circuit to : compensate for changes in temperature and lead wire resistance 

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

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

Description : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Last Answer : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Last Answer : Wien bridge is useful for measuring High frequency.

Last Answer : Kelvin double bridge is best suited for the measurement of: Low resistance

Last Answer : The most commonly used null deflector in a power frequency ac bridge is a: Vibration galvanometer.

Last Answer : For eliminating the effect of earth capacitance from the bridge network we use: Wagner’s earthing device

Last Answer : Hay’s Bridge is suitable for the measurement of: Inductances with Q>10.

Last Answer : Anderson’s bridge is a modification of: Maxwell’s wien bridge.

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

Last Answer : In a Schering bridge the potential of the detector above earth potential is a few volts only.

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

Last Answer : For measurements on high voltage capacitors, the suitable bridge is Schering bridge.

Description : A universal RLC bridge uses?

Last Answer : A universal RLC bridge uses Maxwell Wein bridge for measurement of inductance and modified De Santy's bridge for measurement of capacitance.

Description : The loss tangent of a perfect dielectric will be a) Zero b) Unity c) Maximum d) Minimum

Last Answer : d) Minimum

Description : The loss tangent refers to the a) Power due to propagation in conductor to that in dielectric b) Power loss c) Current loss d) Charge loss

Last Answer : a) Power due to propagation in conductor to that in dielectric

Description : Compute the loss factor when the loss tangent is 0.88 and the real part of dielectric is 24. a) 12.12 b) 12.21 c) 21.21 d) 21.12

Last Answer : d) 21.12

Description : Choose the best definition of dielectric loss. a) Absorption of electric energy by dielectric in an AC field b) Dissipation of electric energy by dielectric in a static field c) Dissipation of heat by dielectric d) Product of loss tangent and relative permittivity

Last Answer : a) Absorption of electric energy by dielectric in an AC field

Description : When a dielectric loses its dielectric property, the phenomenon is called a) Dielectric loss b) Dielectric breakdown c) Polarisation d) Magnetization

Last Answer : b) Dielectric breakdown

Description : Calculate the loss tangent when the dielectric constant in AC field is given by 3 + 2j. a) (2/3) b) (3/2) c) (-3/2) d) (-2/3)

Last Answer : d) (-2/3)

Description : The ratio of conduction to displacement current density is referred to as a) Attenuation constant b) Propagation constant c) Loss tangent d) Dielectric constant

Last Answer : c) Loss tangent

Description : In dielectric measurement, the dielectric loss is proportional to a) F b) V c) I d) Vsqr

Last Answer : Ans: Vsqr

Description : The current carrying capacity of cables in D.C. is more that in A.C. mainly due to (a) absence of harmonics (b) non-existence of any stability limit (c) smaller dielectric loss (d) absence of ripples (e) none of the above

Last Answer : (c) smaller dielectric loss

Description : For an insulating material, dielectric strength and dielectric loss should be respectively   (A) high and high (B) low and high (C) high and low (D) low and low.

Last Answer : For an insulating material, dielectric strength and dielectric loss should be respectively  high and low 

Description : The measurement of dielectric loss and power factor is done using  (A) Weins Bridge (B) Hays Bridge (C) Schering Bridge (D) Wheat Stone Bridge 

Last Answer : C Schering brigde

Description : Moire fringes are used to measure rotary displacement along with _____.

Last Answer : Moire fringes are used to measure rotary displacement along with optical encoders only.

Description : Megger is used to measure (a) very high resistance or insulation resistance. (b) low resistance. (c) high resistance. (d) very low resistance. 

Last Answer : (a)very high resistance or insulation resistance