1 Answer

Answer :

A dielectric material is placed in between the plates of a capacitor, it Increases the capacitance.

Related questions

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

Last Answer : dielectric

Description : What is dielectric material? Enlist dielectric material used in capacitor.

Last Answer : A dielectric material is an electrical insulator that can be polarized by an applied electric field. Dielectric materials used in capacitor: porcelain (ceramic), mica, glass, plastics, and the oxides of various metals

Last Answer : The polarisation of dielectric material results in Creation of electric dipoles.

Description : A dielectric slab of thickness `d` is inserted in a parallel plate capacitor whose negative plate is at `x = 0` and positive plate is at `x = 3d`. The

Last Answer : A dielectric slab of thickness `d` is inserted in a parallel plate capacitor whose negative plate ... at fist, then decreases and again increase.

Description : What is the term used to refer to the losses which can be traced to the dielectric of a capacitor?

Last Answer : Power losses.

Description : An air dielectric is replaced with a glass dielectric inside a capacitor of fixed dimensions. Relatively speaking, what will happen to the quantity of charge the capacitor can hold after the glass is inserted?

Last Answer : ANSWER: IT IS INCREASED WITH THE GLASS DIELECTRIC

Description : Define breakdown voltage and dielectric strength of a capacitor.

Last Answer : Breakdown Voltage: The voltage at which the dielectric material breaks down (Starts conducting or is no longer remains as an insulator) for a specified thickness, is called its breakdown ... without breaking down (without losing its dielectric property) is called its dielectric strength. 

Description : Define dielectric strength for a capacitor.

Last Answer : Ans: Di-electric Strength for a capacitor: The voltage which a dielectric material can withstand without breaking down (without losing its dielectric property) is called as dielectric strength.

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

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 : The value of the capacitance depends upon the________________? A.voltage applied B. thickness of the capacitor plates C. geometry of the capacitor D. dinsity of the capacitor plates

Last Answer : Ans: C

Description : If charge stored on plates of capacitor is large, then capacitance will be A. small B. large C. zero D. infinite

Last Answer : large

Description : If the plates of capacitor are oppositely charged then the total charge is equal to A. negative B. positive C. zero D. infinite

Last Answer : zero

Description : A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's plates?

Last Answer : ANSWER: 200 COULOMBS

Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Last Answer : ANSWER: W -- CONSTANT

Description : Three capacitors with different capacitances are connected in series. Which of the following statements is TRUE? w) All three of the capacitors have the same potential difference between their plates. x ... y) The capacitance of the system depends on the voltage applied across the three capacitors.

Last Answer : ANSWER: X -- THE MAGNITUDE OF THE CHARGE IS THE SAME ON ALL OF THE CAPACITOR PLATES

Description : Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside the capacitor?

Last Answer : ANSWER: 250 VOLTS PER METER or 250 NEWTONS PER COULOMB

Description : What happens to the capacitance if mica is inserted between the plates of an air capacitor? A) The capacitance increases B) The capacitance decreases C) The capacitance remains the same D) The capacitance becomes zero

Last Answer : What happens to the capacitance if mica is inserted between the plates of an air capacitor? A) The capacitance increases B) The capacitance decreases C) The capacitance remains the same D) The capacitance becomes zero

Description : Both the conduction and displacement current densities coexist in which medium? a) Only conductors in air b) Only dielectrics in air c) Conductors placed in any dielectric medium d) Both the densities can never coexist

Last Answer : c) Conductors placed in any dielectric medium

Last Answer : Dielectric Constant and Dielectric Strength are same.

Description : Mark the correct option a) The Inspector should supply each head, sub or branch office in his sub-division including first class head offices, with a village sorting list (M-52) b) The Village ... boxes are placed and which of these letter-boxes are provided with changeable plates d) All the above

Last Answer : d) All the above

Description : Knife clips are placed with wearing plates spaced from cm apart. A) 10-20cm B) 60-90cm C) 15-25cm D) 20-30cm

Last Answer :  20-30cm

Description : Knife clips are placed with wearing plates spaced to apart a) 20 to 30 b) 45 to 60 c) 20 to 35 d) 30 to 40

Last Answer : 20 to 30

Description : Horizontal deflection plates of CRO are placed generally   (a) Horizontal (b) Vertical (c) Diagonal (d) (a) or (b)  

Last Answer : Horizontal

Description : The most inefficient method of voltage reduction, from the standpoint of power loss, even when placed in series with the load, is the use of a/an ____________. A. capacitor B. inductor C. resistor D. transistor

Last Answer : Answer: C

Description : A capacitor and coil in parallel is called

Last Answer : 1. A tuned circuit

Last Answer : In a power supply a shorted input capacitor is likely to result in No voltage output.

Last Answer : A capacitor stores energy in Dielectric dipole

Last Answer : The capacitor charging current is An exponential growth function

Last Answer : The voltage across a capacitor Lags the current through it by 90

Last Answer : For a pure capacitor, the voltage-current relationship is: Voltage lags current by 90*

Description : Why shunt capacitor is used?

Last Answer : To improve voltage at receiving end and power factor

Description : Why capacitor bank is used?

Last Answer : In industrial or factory used E.B Power supply must be maintained above 0.90 power factor is compulsory for avoid EB Penalty. So APFC ( automatic Power factor control ) panel is used to maintained balance the load and PF maintained.

Description : How do you charge a capacitor with a battery?

Last Answer : The  capacitor  is  connected   in  parallel  with   the  battery.

Description : What is the symbol of a capacitor?

Last Answer : symbol of a capacitor

Description : Which side of a capacitor is negative?

Last Answer : In electrolytic type negative is shorter lead and usually mark in the tank. But of course not applicable to non-polar.

Description : does capacitor store energy ?

Last Answer : yes capacitor stores energy

Description : when capacitor act as open circuit?

Last Answer : When a DC is applied to capacitor it acts as open circuit .

Description : which capacitor stores more charge ?

Last Answer : supercapacitor

Description : what does a capacitor do?

Last Answer : It store energy in.the form of charges It allows AC but restricted DC

Description : _________is a form of non-volatile storage that operates by changing the resistance of a specially formulated solid dielectric material. A. VRAM B. WRAM C. MRAM D. RRAM

Last Answer : D. RRAM Resistive RAM

Description : The 'dielectric constant' is a numerical value indicating the effectiveness of a dielectric material in comparison to that of a standard, which is _______________. A. paper or cloth B. glass or mica C. plastic or Teflon D. dry air or a vacuum

Last Answer : Answer: D

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

Last Answer : Answer: A

Description : Referred to the dielectric constant of a transmission line material. A. Inductance and capacitance B. Velocity factor C. Characteristic impedance D. Propagation velocity

Last Answer : B. Velocity factor

Description : ECE Board Exam March 1996 That dielectric material of an optical fiber surrounding the core A. Cladding B. Armor C. Shield D. Cover

Last Answer : A. Cladding

Description : Dielectric strength of a material is (A) Its energy storage capacity (B) A magnetic property (C) Its capacity to resist the flow of current (D) Its capacity to withstand high voltage

Last Answer : (D) Its capacity to withstand high voltage

Description : The permeability of a dielectric material in air medium will be a) Absolute permeability b) Relative permeability c) Product of absolute and relative permeability d) Unity

Last Answer : a) Absolute permeability

Description : Compute the conductivity when the current density is 12 units and the electric field is 20 units. Also identify the nature of the material. a) 1.67, dielectric b) 1.67, conductor c) 0.6, dielectric d) 0.6, conductor

Last Answer : c) 0.6, dielectric

Description : Dielectric property impacts the behaviour of a material in the presence of electric field. State True/False. a) True b) False

Last Answer : a) True

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