A capacitor opposes:

1 Answer

Answer :

A capacitor opposes: change in voltage

Related questions

Description : A capacitor used for power factor correction in single phase circuit decreases: (1) Power factor (2) Line current (3) Both line current and p.f. (4) The line current and increases p.f. 

Last Answer : A capacitor used for power factor correction in single phase circuit decreases: The line current and increases p.f. 

Description : The reactance offered by a capacitor to an alternating current of frequency 50 Hz is 10 ohm. If frequency is increased to 100 Hz, the reactance will be (a) 2.5 ohm (b) 5.0 ohm (c) 20.0 ohm (d) 40.0 ohm 

Last Answer : Xc = 1/(2*pi*f*c) so when f is double .... Xc will be half ... Ans is 5ohm

Description : If the output filter capacitor in a power supply actually had a value twice its stated value, which of the following symptoms would be found?   a. The output voltage would be doubled and a small ... would be greater than expected.  d. The output and ripple voltage would be less than expected.

Last Answer : b. The ripple voltage would be half of what is expected and a small increase in the output voltage would be detected. 

Description : For a parallel plate capacitor which is being charged out of the following the incorrect statement is   (A) Energy stored in the capacitor does not enter it through the connecting wire through the space ... .   (D) The poynting vector points everywhere radially in to the volume between the plates.

Last Answer : For a parallel plate capacitor which is being charged out of the following the incorrect statement is   (A) Energy stored in the capacitor does not enter it through the connecting wire through the ...    (D) The poynting vector points everywhere radially in to the volume between the plates.

Description : The capacitance of the capacitor is directly proportional to the

Last Answer : The capacitance of the capacitor is directly proportional to the Area of the plate

Description : A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 Volts. Find out energy stored in the condenser?

Last Answer : A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 Volts. Find out energy stored in the condenser? 1 joule

Description : How will the total capacitance change, when two capacitors are connected in parallel?

Last Answer : The  capacitance  will  increase  if  connected  in  parallel  because  it  will  be  like  you  have  increase  surface  area  of  a  plate  by  connecting  it  to   another.

Description : Piezoelectric effect is generally observed in (a) conductors and super conductors (b) conductors and semi conductors (c) insulators (d) insulators and conductors

Last Answer : Conductor and semi conductor

Description : Modern capacitors which have high capacitance in small size use a dielectric of   (A) paper (B) rubber (C) ceramic (D) Mylar

Last Answer : Modern capacitors which have high capacitance in small size use a dielectric of ceramic 

Description : Equivalent capacitance ‘C’ of a system of capacitors C1,C2,C3 connected in parallel is

Last Answer : Equivalent capacitance ‘C’ of a system of capacitors C1,C2,C3 connected in parallel is C = C1+C2+C3

Description : Which legislative to what I senator most likely seek to use to ensure a bill he supports becomes law even if the president strongly opposes the bill?

Last Answer : Overturning a veto

Description : Which country opposes Mujibnagar government ?

Last Answer : America opposes.

Description : Do you know of a place that opposes gravity?

Last Answer : Yes there is a place just like that in england. The reversed waterfall. The water flows up instead of down. Also the hoover dam in nevada usa. If u try to pour water over the dam it goes up instead of down

Description : Force that opposes motion between two surfaces?

Last Answer : What is it? Question-answer

Description : Fill up : 'Right _____ duties.' (1) obstructs (2) instructs (3) implies (4) opposes

Last Answer : (3) implies Explanation: Rights imply certain duties. For example, if one has the right to follow one's own religion, it is one's duty to allow others to follow their own. Rights and ... important and that is why our Constitution has laid down certain duties for the citizens along with rights.

Description : The force which opposes the relative motion between different layers of liquid or gases is called – (1) Critical Velocity (2) Streamline Flow (3) Terminal Velocity (4) Viscous Force

Last Answer : (4) Viscous Force Explanation: Critical Velocity – The maximum velocity upto which fluid motion is streamline is called Critical Velocity. Streamline Flow – If velocity of all fluid particles is same all the time then it can be said in streamline flow.

Description : Inductance is the property of an electric circuit that _____________. A. opposes any change in the applied voltage B. opposes any change in the current flow through the circuit C. aids any changes in the applied voltage D. aids any changes in the current through the circuit

Last Answer : Answer: B

Description : The induced emf in a material opposes the flux producing it. This is a) Faraday law b) Ampere law c) Lenz law d) Curie law

Last Answer : c) Lenz law

Description : What is the name of the emf generated in the primary that opposes the flow of current in the primary?

Last Answer : . Self-induced or counter emf

Description : What type of bias opposes the PN junction barrier?

Last Answer : Forward.

Description : If the pointer of an indicating instrument is in motion, then what opposes deflecting torque?

Last Answer : damping and controlling torque

Description : The means by which one part of a partial denture framework opposes the action of the retainer in faction is:** A. Tripoding B. Reciprocation C. Stress breaking D. Indirect retention

Last Answer : B. Reciprocation

Description : n addition to counteracting potassium loss, triamterene also opposes the following consequence of thiazide/furosemide therapy: A. Hyperuricaemia B. Rise in plasma LDL-cholesterol C. Magnesium loss D. Both ‘A’ and ‘C’ are correct

Last Answer : C. Magnesium loss

Description : Which law states that induced e.m.f and current always opposes the cause producing them?

Last Answer : Lenz's law states that induced e.m.f and current always opposes the cause producing them.

Description : The property of a material which opposes the creation of magnetic flux in it is known as?

Last Answer : The property of a material which opposes the creation of magnetic flux in it is known as reluctance.