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Answer :

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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Last Answer : Ceramic capacitor is made up of ceramic material layers where ceramic material is a dielectric material.

Description : What kind of receiver is used in conventional telephone handset? A. Capacitor B. Electromagnetic C. Carbon D. Ceramic

Last Answer : B. Electromagnetic

Description : What kind of receiver is used in converntional telephone handset? A. Capacitor B. Carbon C. Electromagnetic D. Ceramic

Last Answer : C. Electromagnetic

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

Last 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.

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

Last 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 ?

Last 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 ?

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

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

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

Last 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.

Last 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.

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 : Energy stored in capacitor examples

Last Answer : Energy stored in capacitor examples

Description : Series and parallel capacitor problem

Last 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

Last 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.

Last 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.

Last 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.

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 : 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

Last Answer : B

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

Last 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

Last 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

Last 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 

Last 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

Last 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

Last 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 : 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

Last 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

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 : 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

Last 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

Last 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

Last 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 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

Last 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 : 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

Last 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 : 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.

Last 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

Last 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 ?

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

Description : Ratings on a capacitor are given 25 µF, 12 V. Also a plus sign is written near one of its terminals. The capacitor is: -  a) Mica capacitor b) Ceramic capacitor c) Electrolytic capacitor d) Paper capacitor

Last Answer : Ratings on a capacitor are given 25 µF, 12 V. Also a plus sign is written near one of its terminals. The capacitor is: - Electrolytic capacitor

Description : A capacitor start, capacitor run single phase induction motor is basically a : -  a) ac series motor b) dc series motor c) 2 phase induction motor d) 3 phase induction motor

Last Answer : A capacitor start, capacitor run single phase induction motor is basically a : -  2 phase induction motor 

Description : The purpose of a coupling capacitor in an amplifier is to:  (1) Control the output (2) Provide impedance matching (3) Provide DC isolation between amplifier and load (4) W Increase the bandwidth

Last Answer : The purpose of a coupling capacitor in an amplifier is to: Provide DC isolation between amplifier and load.

Description : A circuit requires a capacitor of 100pf, 25V. The capacitor can be:  (1) Paper capacitor (2) Electrolytic capacitor  (3) Ceramic capacitor (4) Any type of capacitor

Last Answer : A circuit requires a capacitor of 100pf, 25V. The capacitor can be: Electrolytic capacitor.

Description : In a capacitor start single-phase induction motor, the capacitor is connected in:  (A) series with the main winding (B) series with the auxiliary winding (C) series with both the windings (D) parallel with the auxiliary winding .

Last Answer : In a capacitor start single-phase induction motor, the capacitor is connected in: series with the auxiliary winding 

Last Answer : The value of the capacitor in a capacitor start motor controls the starting torque

Last Answer : Internal heating of capacitor is usually attributed to leakage resistance.

Last Answer : Generally an electrolytic capacitor is made to provide large value of capacitance.

Description : Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

Last Answer : Power factor of an inductive circuit is usually improved by connecting capacitor to it in parallel.

Description : The best place to install a capacitor is?

Last Answer : The best place to install a capacitor is across the terminals of the inductive load.

Description : The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_____ohms.

Last Answer : The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes 10 ohms.

Description : what is the difference between capacitor and battery ?

Last 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

Last Answer : Capacitor use in fan is made up of dielectic material which is in semi solid material having high capacity.but generation of heat in capacitor the semi solid material converted into dry solid because of ... capacity becomes lower and lower so for good result of our fan we have to change it.

Description : What are your experiences with ceramic knives?

Last Answer : I greatly prefer carbon steel. I use a paper wheel for the initial sharpen and jewler’s rouge and a buffer wheel when they need to be resharpened after a year or so.

Description : What is the most logical shape for a china/ceramic/glassware dinnerplate?

Last Answer : Circle is great! Less likely to hit a corner and break the plate. I do think square and rectangular can be very pretty and for some items on the plate it can utilize the space better.