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 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 : insulator which is placed between 2 plates of capacitor isA. electric B. dielectric C. inductor D. resistor
Last Answer : dielectric
Description : Identical dielectric slabs are inserted into two identical capacitors `A` and `B`. These capacitors and a battery are connected as shown in figure. No
Last Answer : Identical dielectric slabs are inserted into two identical capacitors `A` and `B`. These capacitors ... , which fully appears as heat in the circuit
Description : The charge build up in the capacitor is due to which quantity? a) Conduction current b) Displacement current c) Convection current d) Direct current
Last Answer : d) Direct current
Description : Which of the following is a correct statement? (a) IUDs once inserted need not be replaced. (b) IUDs are generally inserted by the user herself. (c) IUDs increase phagocytosis of sperms in the uterus. (d) IUDs suppress gametogenesis.
Last Answer : (c) IUDs increase phagocytosis of sperms in the uterus.
Description : Dimensions of strain are A. [L] B. [M] [L]-1 [T]-2 C. [L]-1 D. It's a dimensionless quantity
Last Answer : It's a dimensionless quantity
Description : Area under current-time graph represents A. magnitude of charge B. dielectric C. amount of positive charge D. amount of negative charge
Last Answer : magnitude of charge
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 : 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
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.
Last Answer : A dielectric material is placed in between the plates of a capacitor, it Increases the capacitance.
Description : Do you think it's a tad unwise to buy (relatively speaking) unneccesary stuff on credit?
Last Answer : Yes. The only things you should buy on credit are things you can’t save up for in a reasonable amount of time, and are essential to live in today’s modern world, like a house and a car. Everything else, if you can’t afford it, do without it until you can save up for it.
Description : Got any dumb jokes that are actually quite funny, relatively speaking?
Last Answer : answer:I have a joke that I love but only science geeks ever get it. A particle physicist is driving very fast down the motorway and is pulled over by a police officer*. The policeman says ... I know exactly where I am! *This physicist is British. Substitute freeway and traffic cop as required.
Description : Why was the minority French speaking community relatively rich and powerful? -SST 10th
Last Answer : . French speakers got the benefit of economic development. . They were well-qualified and educated. . Because of their qualifications and education, they were well-settled and thus, rich and powerful.
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 : What terms is used to describe a resource that can be replaced naturally over a relatively short period of time?
Last Answer : Need answer
Description : High-priced goods which are kept in use for a relatively long time and so are not replaced very frequently are called _____________ 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these
Last Answer : Yellow goods
Description : A single-phase induction motor having a relatively high starting torque, is the ___________. A. shaded pole motor B. wound-rotor motor C. capacitor-start motor D. resistance-start motor
Last Answer : Answer: C
Description : The electric charge is stored in a device called: (1) Inductor (2) Capacitor (3) Resister (4) Transformer
Last Answer : (2) Capacitor Explanation: A capacitor is a passive twoterminal electronic component that stores electrical energy in an electric field. The effect of a capacitor is known as capacitance.
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 volt battery connected to a capacitor delivers a charge of 0.5 coulombs. The capacitance of the capacitor is: w) 2 x 10-2 farads x) 5 x 10-2 farads y) 2 farads z) 5 farads
Last Answer : ANSWER: X -- 5 x 10-2 FARADS
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 : 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 : A capacitor discolored due to excessive heat should be _____________. A. calibrated using a capactance wheatstone bridge B. replaced and the reason for the overheating found C. cooled with a spray ... purpose D. resoldered with care taken to insure that the origional cold solder joint is repaired
Last Answer : Answer: B
Description : A capacitor discolored due to excessive heat should be _____________. A. calibrated B. replaced C. cooled D. soldered
Last Answer : In a capacitor start single-phase motor, when capacitor is replaced by a resistance motor will continue to run in same direction.
Description : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?
Last Answer : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will not start at all.
Description : When replacing component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage
Description : When changing out component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage
Description : If an iron bar were inserted into the wire coilwhat would happen to the iron bar?
Description : How can the quantity of water vapour the atmosphere hold increases?
Last Answer : – With increase of temperature
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 : 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 : For a dielectric which of the following properties hold good? a) They are superconductors at high temperatures b) They are superconductors at low temperatures c) They can never become a superconductor d) They have very less dielectric breakdown voltage
Last Answer : b) They are superconductors at low temperatures
Description : In the design of elastomeric bearings, why are steel plates inserted inside the bearings?
Last Answer : For elastomeric bearing to function as a soft spring, the bearing should be allowed for bulging laterally and the compression stiffness can be increased by limiting the amount of lateral bulging. To ... , the presence of metal plates does not affect the shear stiffness of the elastomeric bearings.
Description : Why Are Steel Plates Inserted Inside Bearings In Elastomeric Bearings?
Last Answer : Answer : In order to make a elastomeric bearing act/ function as a soft spring it should be made to allow it to bulge laterally and also the stiffness compression can be increased by simply ... plates. But the presence of the metal plates does not affect the shear stiffness of the bearings.
Description : The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the (A) ... (B) Heat of wetting (C) Integral heat of adsorption (D) None of these
Last Answer : (A) Differential heat of adsorption
Description : In the equation of a nuclear reaction, all but one of the following quantities are equal to each other on both sides of the equation. Which quantity is NOT conserved: w) the net electric charge x) the total mass-energy y) the number of protons z) the number of nucleons
Last Answer : ANSWER: Y -- THE NUMBER OF PROTONS
Description : What physical quantity has dimensions (LT)?
Last Answer : The dimension of mass, length and time are represented as [M] [L] [T], so I think those would be Length [L] and time [T] which comes down to LT. Hope this answers your question.
Description : A physical quantity of the dimensions of length that can be formed out of c, G and e^2/4πε0
Last Answer : A physical quantity of the dimensions of length that can be formed out of c, G and \(\frac{e^2}{4\pi \ ... frac{1}{c}G\frac{e^2}{4\pi \epsilon_0}\)
Description : Gravitational constant (G) is an example of (a) Non-dimensional constant (b) Dimensional constant (c) Numeric constant (d) Quantity without dimensions
Last Answer : Ans:(b)
Description : Which physical quantity have the same dimensions?
Last Answer : Work and torque
Description : . For achieving maximum buckling stability use………….parameters. a) location c) quantity b) dimensions d) All of above
Last Answer : All of above
Description : Proposed the use of clad glass fiber as a dielectric waveguide a. Karpon and Keck b. Karpon and Bockham c. Bockham and Kao d. Kao and Keck
Last Answer : c. Bockham and Kao
Description : Proposed the use of a clad glass fiber as a dielectric waveguide. A. Kao and Keck B. Karpon and Keck C. Karpon and Bockham D. Bockham and Kao
Last Answer : D. Bockham and Kao