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CBSE Class 12-science Answered

explain the use of slip rings in ac generator in detail
Asked by modi72879 | 16 Aug, 2017, 07:41: AM
answered-by-expert Expert Answer
Slip rings are two hollow rings to which two ends of the armature coil are connected. These rings rotate with the rotation of the coil. Its purpose is to allow for electrical contact with the brushes.
Answered by Yashvanti Jain | 16 Aug, 2017, 12:18: PM

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CBSE 12-science - Physics
What are slip rings ?   1 mark question 
Asked by sunitadhingra16 | 19 Feb, 2020, 12:40: AM
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CBSE 12-science - Physics
What is an AC Generator? What is its principle?
Asked by Topperlearning User | 07 Jul, 2015, 01:43: PM
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CBSE 12-science - Physics
Which rule helps in finding the current induced in an AC generator?
Asked by Topperlearning User | 07 Jul, 2015, 01:45: PM
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CBSE 12-science - Physics
On what factor does the frequency of an AC generator depend?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Physics
How power is generated in thermal power station?
Asked by Topperlearning User | 07 Jul, 2015, 01:53: PM
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CBSE 12-science - Physics
What is a multi phase generator?
Asked by Topperlearning User | 07 Jul, 2015, 01:58: PM
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CBSE 12-science - Physics
What are the advantages of three phase a.c.?
Asked by Topperlearning User | 07 Jul, 2015, 01:58: PM
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CBSE 12-science - Physics
An AC generator consists on a coil of 500 turns of area 100 cm2 each rotating at an angular speed of 75 rpm in a magnetic field of 3 x 10-2 T. Find the peak value of e.m.f induced.
Asked by Topperlearning User | 07 Jul, 2015, 02:04: PM
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CBSE 12-science - Physics
Draw a labeled diagram of an a.c. generator. Explain briefly its principle and working.
Asked by Topperlearning User | 07 Jul, 2015, 02:05: PM
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CBSE 12-science - Physics
Describe briefly, with the help of a labeled diagram, the basic elements of an A.C. generator. State its underlying principle. Show diagrammatically how an alternating emf is generated by a loop of wire rotating in a magnetic field. Write the expression for the instantaneous value of the emf induced in the rotating loop.
Asked by Topperlearning User | 07 Jul, 2015, 02:05: PM
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