Define mutual inductance.

1 Answer

Answer :

Mutual inductance is the property existing between two coils so  positioned that flux from one coil cuts the windings of the other coil.

Related questions

Description : Define self-inductance and mutual inductance.

Last Answer : Self-inductance: As per the Lenz's law, the self-inducedemf opposes any current change taking place. This property of the coil to oppose any change in current flowing through it is known as the self- ... in the other coil placed nearby, by induction. It is denoted by M and measured in Henry.  

Last Answer : that Features Or Of religion Due As well as Two Coil Of one Of current Of change As a result In the other Voltage Obsessed Is That said Religion Or Features Mutual Inductions Says.

Description : Two coils have a mutual inductance 0.005H. The current changes in the first coil according to the equation `I=I_(0) sin omegat "where" I_(0)=10A and o

Last Answer : Two coils have a mutual inductance 0.005H. The current changes in the first coil according to the equation `I ... (pi//x)` volts. Find the value of x.

Description : Calculate the mutual inductance of two tightly coupled coils with inductances 49H and 9H. a) 21 b) 58 c) 40 d) 49/9

Last Answer : a) 21

Description : The equivalent inductance of two coils with series opposing flux having inductances 7H and 2H with a mutual inductance of 1H. a) 10 b) 7 c) 11 d) 13

Last Answer : b) 7

Description : The equivalent inductances of two coils 2H and 5H in series aiding flux with mutual inductance of 3H is a) 10 b) 30 c) 1 d) 13

Last Answer : d) 13

Description : An AC bridge that measures mutual inductance

Last Answer : Heaviside bridge

Description : The Si unit of mutual inductance and self inductance is: a.same b. different c. no unit d. a & b

Last Answer : b. different

Description : The phenomenon of producing emf in the coil due to change of current in the coil itself is called: a. mutual induction b. self-induction c. self-inductance d. mutual inductance

Last Answer : d. mutual inductance

Description : The mutual inductance of the coil depends upon: a. density of the coil b. stiffness of coil c. material of coil d. geometry of the coil

Last Answer : d. geometry of the coil

Description : A three-phase synchronous motor has a terminal voltage of 460 V and a terminal current of 120 A at a power factor of 0.95 lagging, synchronous reactance of 1.68 ohm and the field current is 47 A. The field to armature mutual ... _____________.      (a). 20mH   (b). 16mH   (c). 24mH   (d). 22mH

Last Answer : 22

Description : State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.

Last Answer : Errors in wattmeter:  i) pc - inductance: Pressure coil inductance causes wattmeter to read more power than actual .  ii) pc-capacitance: The wattmeter reads less power.  iii) ... iv) Connection: In uncompensated wattmeter , the reading of wattmeter includes the powerloss in coils. 

Description : The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge

Last Answer : The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge

Last Answer : For measurement of mutual inductance we can use Heaviside bridge.

Description : If the permeability of the core of a coil increases, what happens to (a) inductance and (b) true power in the circuit?

Last Answer : (a) Inductance increases; (b) true power decreases.

Description : If inductance increases in a series LR circuit, what happens to true power?

Last Answer : It decreases.

Description : A transmission line is said to have distributed constants of inductance, capacitance, and resistance along the line. What units of measurement are used to express these constants?

Last Answer : Inductance is expressed in micro henrys per unit length, capacitance is expressed in picofarads per unit length, and resistance is expressed in ohms per unit length.

Description : . What are two of the three physical factors that determine the values of capacitance and inductance of a transmission line?

Last Answer : (1) Type of line used, (2) dielectric in the line, and (3) length of line.

Description : If the inductance of a choke-input filter is increased, will the output ripple voltage amplitude (Er) increase or decrease?

Last Answer : Decrease.

Description : What undesirable effect is caused by the inductance of the cathode lead?

Last Answer : Degenerative feedback.

Description : What happens to the value of XL as inductance decreases?

Last Answer : XL decreases.

Description : What is the basic unit of inductance and the abbreviation for this unit?

Last Answer : The henry, H.

Description : What effect does inductance have (a) on steady direct current and (b) on direct current while it is changing in amplitude?

Last Answer : a) No effect. (b) Inductance opposes any change in the amplitude of current.

Description : Is the current flow through an inductor directly proportional or inversely proportional to its inductance value?

Last Answer : Directly proportional.

Description : A Hay bridge measures inductance by comparing an inductor to what component?

Last Answer : A capacitor.

Description : What type of core produces the greatest inductance?

Last Answer : Magnetic-metal core.

Description : Define self and mutual induced emf.

Last Answer : Self-induced emf: Self-induced emf is the e.m.f induced in the coil due to the change of flux produced by linking it with its own turns. Mutual induced emf: The emf induced in a coil due to the change of flux produced by another neighbouring coil linking to it, is called Mutually Induced emf.   

Description : Define :i) Self inductance ii) Coefficient of self induction

Last Answer : i) Self-inductance: It is the property by virtue of which a coil opposes change in current flowing through it by inducing an emf in it such that its effect is to circulate current (induced current) that produces a magnetic field ...          N = di/dt        N = Φ/I  It is expressed in henry.  

Last Answer : Resistance: This could be defined as the opposition  or retarding force to the flow of current in a circuit. It is measured in Ohms. Capacitance: The ability of a system of electrical conductors and insulators ... due to a rate of change of current in the circuit or coil. It's unit is Henry.

Description : Where do you suggest putting some cash in the US for interest yield but without the risk of stocks, mutual funds or ETF?

Last Answer : To start I would save $5,000 in a high interest savings account. To at least one years worth of savings for an emergency account. Before you start playing on the stock market. Low yield savings bonds are good . Only buy stocks if you can afford to lose that investment. I am not a financial expert.

Description : Would you feel comfortable seeing a therapist if you had mutual friends on Facebook?

Last Answer : This is a good question. I have been in therapy for a very long time. My relationship with my therapist is very important, and I want the ability to talk about absolutely everything that is ... will receive my words because they know whom I'm talking about. I would choose another therapist.

Description : Would impending mutual doom force Israel and Palestine to create peace?

Last Answer : I dunno – would it work for the US in all the wars it’s involved in right now?

Description : Should I avoid my ex and his new SO at an event with our mutual friends?

Last Answer : answer:Stay with your sister. Even though you two are not together, you still have two and a half years together and that is not going anywhere. You may not believe this, but at the convention you ... believe he brought her along just to spite you. This trip may have some personal feelings for you.

Description : My parents opened an annuity trust with a company called Old Mutual, have you heard of them?

Last Answer : I googled the name and came up with about 2 million results. Old Mutul Funds, Old Mutual Insurance, etc. You may want to have the complete name and look it up.

Description : Why are businesses rarely offered precious metal mutual funds by their 401k management company?

Last Answer : Even in mutual fund market, precious metals are very high risk and may burn even very savvy fund managers

Description : If you own a mutual fund, and the mutual fund owns Apple Computer shares, are you an Apple Corp. owner?

Last Answer : answer:No. You do not vote the shares. The mutual fund votes for you. Buy a few shares in your name if you want to go. You will get all the mailings and invitations just like the big boys.

Description : What to do with two (once) close mutual friends who aren't communicating?

Last Answer : answer:In a perfect world, all of our friends would meet and like each other. That would be a world-changer alright! In this case, there's really nothing you can do. Be what is natural to you. ... , that may never happen. I think your feelings are natural and do hope that things work out for you.

Description : Is the job "Northwestern Mutual Financial Advisor" a scam?

Last Answer : I can't say what you should do. You'll have to decide that on your own. What I can say is in this economy it might not be your best bet. You'll have to pay more taxes because you'll be ... just feels off. Probably better to save that day off from work for a job with full benefits and full hire.

Description : Are Mutual Funds as Big and Prosperous in other countries as they are in the U.S?

Last Answer : The European market is quite competitive, look for places like London and Luxembourg, I believe they’re the main players outside of the US.

Description : How can I watch full episodes of mutual of omaha's wild kingdom online?

Last Answer : Seriously, dude, try using google.com for these obscure questions (I count at least 16 of your questions that would have been better suited for google). http://animal.discovery.com/fansites/wildkingdom/wildkingdom.html

Description : Why does Israel, who America gives billions of dollars a year to, not have a mutual extradition law with us and allow criminals from the U.S. to flee to Israel to escape prosecution here?

Last Answer : I'm under the impression (and it could be wrong but this is just what I've heard) that we give them millions, not billions. Granted it's hundreds of millions, but yah. Back up the numbers you ... law as it might force us to extradite some people that we don't think should be, think Palestinians).

Description : What mutual/shared body parts are both men and women most attracted to?

Last Answer : I’m going to guess the torso, and that includes breasts and tummy on woman…on men it’s his ab muscles, hard chest, and biceps too probably. The bum is also very attractive to both sexes, but probably a little more so to men.

Description : Anyone know of any good Alternative Energy mutual funds?

Last Answer : you may have to assemble your own “fund” of individual stock issues. I have looked at www.socialinvest.org for their sort of funds but they do not specifically have alt energy funds, but there may be some that would mostly fit your criteria.

Description : Is there a way to compare mutual funds?

Last Answer : answer:* ALWAYS REMEMBER TO CHECK THE DATE ON ANY MATERIALS EITHER PRINTED ON FOUND ON THE WEB !! * you might something good in these links. For those who need to know what no-load ... our trading site or through a Scottrade Branch Office. The prospectus should be read carefully before investing.

Description : Both my friend and I got strange text messages from a mutual friend. Is this a sign her phone was stolen or is there a chance her phone is somehow being pirated without her knowing?

Last Answer : What did the text messages say?

Description : Would you like to join a mutual defamation support group?

Last Answer : Daloon, good to see you haven’t lost your sense of (dark) humor!

Description : Let the only force acting on two bodies be their mutual interactions. If both bodies start from rest, the distances travelled by each will be a a.proportional to the respective masses of the ... masses of the bodies e.inversely proportional to the square of the respective masses of the bodies

Last Answer : c. inversely proportional to the respective masses of the bodies

Description : Which common devices works on the basis of the principle of mutual induction? -Do You Know?

Last Answer : answer:

Description : In which year were Private Sector Mutual Funds in India permitted? -Do You Know?

Last Answer : answer:

Description : mutual funds provide stability to share prices safety to investors and resources?

Last Answer : Hedge funds are not mutual funds as hedge funds cannot be sold to the general public