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Ceramic capacitor is a capacitor made up of ceramic material layers and also the dielectric material in ceramic capacitor is ceramic material.
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Answer : Ceramic capacitor is made up of ceramic material layers where ceramic material is a dielectric material.

Answer : Uses of ceramic capacitors is as follows :The ceramic capacitor is use in DC to DC converter.The ceramic capacitor is use with band pass and band stop filter.Ceramic capacitor ... The ceramic capacitor is uses in high frequency circuits.Ceramic capacitors are use for biasing applications.

Description : Voltage applied across a ceramic dielectric produces an electrostatic field 100 times greater than in air. The dielectric constant? of the ceramic equals________. 

Answer : Voltage applied across a ceramic dielectric produces an electrostatic field 100 times greater than in air. The dielectric constant? of the ceramic equals 100.

Description : What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Answer : ANSWER: X -- KAOLIN

Description : Give properties and uses of ceramic materials in construction.

Answer : Properties: 1. It is hard. 2. It is bristle. 3. It is in the form of amorphous (non-crystalline) 4. The structure is glassy. 5. It is insulator thermally & electrically. 6. It is ... porcelain. 6. For making POP. 7. For making electric. 8. For Manufacturing of sanitary wares, pavers. 

Description : How to clean stains from glass ceramic hob?

Answer : How to clean stains from glass ceramic hob? Fashion is for everything, including kitchen appliances. Everyone is accustomed to the fact that the electric stove has black round burners protruding above the surface ... operation, it is worth handling the stove with care, and it will last a long time.

Description : The form of the fuel in U.S. commercial nuclear power plants is which of the following: w) uranium oxide ceramic pellets x) atomic vapor y) uranium metal tubes z) uranium solution in water

Answer : ANSWER: W -- URANIUM OXIDE CERAMIC PELLETS

Description : Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Answer : ANSWER: Y -- HIGH COMPRESSIVE STRENGTH

Description : One metal dissolved in another is called w) an alloy x) an assay y) a mineral z) a ceramic 

Answer : ANSWER: W -- AN ALLOY 

Description : Which of the following pairs regarding typical composition of hospital wastes is incorrect? (A) Plastic - 9-12% (B) Metals - 1-2% (C) Ceramic - 8-10% (D) Biodegradable - 35-40%

Answer : (A) Plastic - 9-12%

Description : A child accidentally drops a square ceramic tile. It breaks into smaller pieces as shown in Figure P. To avoid a scolding, she plans to compose a mural of broken pieces to gift to her mother. Which figure out of the given options could she make?

Answer : C 

Description : Write four properties of Ceramic Materials and give it’s applications in automobile industry.

Answer : Properties of Ceramic Material: i. Inorganic & non -metallic material. ii. Brittle material. iii. Insulation to flow of electric current iv. Withstand high temperature. v. Rock like appearance vi. Hardness ... mica etc. 7. In I.C. engines and turbines as armor plates. 8. In cutting tools 

Description : What is a capacitor voltage transformer? A) It is a transformer used in power systems to step up low voltage signals and provide extra high voltage B) It is a transformer used in power systems ... in power systems to step down extra high voltage signals and provide low voltage D) None of these

Answer : What is a capacitor voltage transformer? A) It is a transformer used in power systems to step up low voltage signals and provide extra high voltage B) It is a transformer used in power systems ... power systems to step down extra high voltage signals and provide low voltage D) None of these

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

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 : What is the charge on each capacitor when a 150 V is applied across two capacitors with values 5 μF and 10 μF, connected in series? A) 500 μC B) 0.5 μC C) 0.5 C D) None of these

Answer : What is the charge on each capacitor when a 150 V is applied across two capacitors with values 5 μF and 10 μF, connected in series? A) 500 μC B) 0.5 μC C) 0.5 C D) None of these

Description : What is the stored energy when 200 V is applied across a 7 μF capacitor? A) 1400 Joules B) 0.7 Joules C) 0.14 Joules D) None of these

Answer : What is the stored energy when 200 V is applied across a 7 μF capacitor? A) 1400 Joules B) 0.7 Joules C) 0.14 Joules D) None of these

Description : What is the capacitance when a capacitor passes a current of 31.43 mA when supplied with 40 V AC with a frequency of 1000 Hz? A) 0.125 F B) 0.125 μF C) 1257.2 μF D) None of these

Answer : What is the capacitance when a capacitor passes a current of 31.43 mA when supplied with 40 V AC with a frequency of 1000 Hz? A) 0.125 F B) 0.125 μF C) 1257.2 μF D) None of these

Description : A 100 pF capacitor has a maximum charging current of 150 μA.What is the slew rate ? (A) 1.5 V/μs (B) 1.05 V/μs (C) 0.15mV/s (D) 10.5 mV/s

Answer : A 100 pF capacitor has a maximum charging current of 150 μA.What is the slew rate ? (A) 1.5 V/μs (B) 1.05 V/μs (C) 0.15mV/s (D) 10.5 mV/s

Description : what is the difference between capacitor and battery ?

Answer : A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours

Description : (b) Consider the circuit shown under the DC-steady-state condition. (i) Re-draw the circuit by replacing the capacitor and inductor with open and short-circuit. (ii) ... and the voltage, VC. (iii) Calculate the energy stored in the inductor and capacitor, respectively. 

Description : Why is a capacitor used in a single phase motor and not in three phase motor ?

Answer : In 1-phase induction motor capacitor work is generate the auxiliary winding current than excite the main winding to rotor starts rotate. After rotor start rotating about 75% of their speed than auxiliary ... emf to start the motor.so,in 3-phase induction motor is self start induction motor.

Description : Does current flow through a capacitor ?

Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...

Description : Why is a capacitor used in a ceiling fan ?

Answer : For splitting phase so that a rotating magnetic field will be produced & as per Lenz's law a torque will be created & rotor starts rotating. In single phase if capacitor is not used for split phase then a pulsating mag. field is produced which is unable to produce torque on rotor

Description : A 3 micro Faraday capacitor is connected closing a switch to a supply of 100 V through 1 milli ohm series resistance. Calculate 1 the time constant 2 initial charging current 3 the initial rate of ... second,after the switch has been closed 5 the time taken for the capacitor to be fully charged.

Description : Explain the working of a single phase capacitor start induction motor. 

Answer : Single phase capacitor start induction motor https://youtu.be/31lvvzU5Puc

Description : Describe the working of capacitor with a neat sketch.

Answer : Working of Capacitor: When we connect a battery (DC Voltage Source) across the capacitor, one plate (plate-I) gets attached to the positive terminal and another plate (plate-II) to the negative ... charges for a certain time. Thus the charged capacitor acts as a source electrical energy. 

Description : Describe the construction of any one type of capacitor.

Answer : i) Air capacitors: Air capacitors are capacitors which use air as their dielectric. The simplest air capacitors are made of two conductive plates separated by an air gap. Air capacitors can be made in ... axial form. Essentially the leads either exit the encapsulation at the side or the end.

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

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 : Energy stored in capacitor examples

Answer : Energy stored in capacitor examples

Description : Series and parallel capacitor problem

Answer : Series and parallel capacitor problem 1 : https://youtu.be/MSl5mRwtjAE Series and parallel capacitor problem 2 : https://youtu.be/yGwbpyEtIyw Series and parallel capacitor problem 3 : https:// ... https://youtu.be/_7KwEwWqiNU Series and parallel capacitor problem 10 : https://youtu.be/et8MCWV_OyE

Description : Problem on capacitor

Answer : Problem on capacitor 1 : https://youtu.be/ZyT3WOFN8fs Problem on capacitor 2 : https://youtu.be/JBwEfekvutE Problem on capacitor 3 : https://youtu.be/E1lhIn5t8Mo Problem on capacitor 4 : https://youtu.be/yl651f4IUfg

Description : Explain the electrolytic capacitor with neat diagram.

Answer : Diagram of electrolytic capacitor:  Explanation: In an electrolytic capacitor, two sheets of aluminum foil, separated by a fine gauges soaked in an electrolyte rolled up and encased in an ... to 400 volt DC. Their main field of applications is in electronic circuit and filters circuits.

Description : List any three types of capacitor. Give one application of any one type.

Answer : Ans: Types of capacitors and their applications:  i) Air capacitors: Radio tuning applications, Antenna tuning, RF matching networks, MRI medical scanners.  ii) Paper capacitors: High ... Filters, Timing and precision coupling circuits, Switching power supplies, AC applications to avoid corona.

Description : Define dielectric strength for a capacitor.

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 : Compare resistance split phase induction motor with capacitor start induction motor.

Description : Draw and explain capacitor start capacitor run single phase induction motor.

Description : A certain common-emitter amplifier has a voltage gain of 100. If the emitter bypass capacitor is removed.  a. The circuit will become unstable b. The voltage gain will decrease  c. The voltage gain will increase d. The circuit will become stable

Answer : B

Description : If the voltage applied across a capacitor is triangular in waveform, the waveform of the current is (a) Triangular (b) Rectangular (c) Sinusoidal (d) Trapezoidal

Description : The purpose of connecting a capacitor in fluorescent tube circuit is • To increase switching on time • To decrease switching off time • To increase power factor • To decrease power consumption

Answer : The purpose of connecting a capacitor in fluorescent tube circuit is To increase power factor

Description : The synchronous motor can be used as a capacitor • By increasing excitation • By decreasing excitation • By increasing speed • By decreasing speed

Answer : The synchronous motor can be used as a capacitor By increasing excitation

Description : Plate separation of a parallel plate air capacitor is reduced keeping the voltage constant. The energy stored in the capacitor shall • Increase • Decrease • Remain constant • Remain zero

Answer : Plate separation of a parallel plate air capacitor is reduced keeping the voltage constant. The energy stored in the capacitor shall Increase

Description : When an alternating potential is applied to a capacitor, the current in the circuit will  1. lead the applied potential 2. lag the applied potential 3. be in phase with the applied potential 4. none 

Answer : When an alternating potential is applied to a capacitor, the current in the circuit will lead the applied potential

Description : For a DC circuit capacitor is

Answer : For a DC circuit capacitor is virtually an open circuit

Description : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is :  (A) 100/11 (B) 11/100 (C) 110 (D) 1000

Answer : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is : 100/11

Description : A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V, variable frequency supply. The current drawn by the circuit is found to be minimum when the supply frequency is 1 kHz. The ... (A) 40, 400 Hz (B) 10, 100 Hz (C) 20, 50 Hz (D) 50, 20 Hz

Answer : A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V, variable frequency supply. The current drawn by the circuit is found to be minimum ... supply frequency is 1 kHz. The approximate values of Q-factor and bandwidth are, respectively 20, 50 Hz

Description : In the capacitor-start, capacitor-run single-phase induction motor (A) two capacitors are connected across the main winding (B) when the centrifugal switch opens, the permanent capacitor is left ... left in the main winding circuit (D) two capacitors are connected across the auxiliary winding.

Answer : In the capacitor-start, capacitor-run single-phase induction motor when the centrifugal switch opens, the permanent capacitor is left in the auxiliary winding circuit

Description : A synchronous capacitor is (A) an unloaded and under excited 3-phase synchronous motor (B) a loaded and over excited 3-phase synchronous generator (C) an unloaded and over excited 3-phase synchronous motor (D) a 3-phase synchronous generator loaded with a capacitor bank

Answer : A synchronous capacitor is an unloaded and over excited 3-phase synchronous motor

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

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

Description : Cost of low voltage capacitor /kVAr is (1) More than cost of high voltage capacitor/kVAr (2) Is independent of voltage level (3) Less than cost of high voltage capacitor/kVAr (4) Is function of size of capacitor 

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