A coil consisting of 200 turns of wire has its ends
connected to a circuit such that the total resistance of
the coil and the circuit is 2.0 ohm. There is no source of
e.m.f. in the circuit. Each turn of the coil is a square of
side 18 cm, and a uniform magnetic field directed
perpendicular to the plane of the coil is turned on. If the
field changes linearly from 0 to 0.5 T in 0.8 s, what is
the magnitude of the current in the coil while the field is
changing?
- 1 Answers
- 6794 Views
- I also Faced
- E-Mail Answers
Answer Posted / mahesh
emf induced in the coil e=-(d$/dt)=-NA(dB/dt)
=200*(18/100)*(18/100)*((0.5-0)/(0.8))
=4.05 volts
induced current in the coil=induced emf/resistanc
=4.05/2=2.025 A
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
hi sir plz send me clerical exams model test papers for the preperation of indian bank exam am very thankful to you
Dear sir i need central bank of india clerical grade last three year question papers. Kindly forward to my email id gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com
dear sir i need rrb chennai Section engineer S & T for last 2 year question papers. Plz send my email id is gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com
Dear sir i need lic model question paper for the last two years, Kindly forward solved question papers to my mail id gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com
The following character string is to be transmitted: ABADADAD i. Derive the Huffman and Dynamic Huffman tree codes ii. Determine the savings in transmission bandwidth for both over normal ASCII coding.Write down the actual transmitted bit patterns corresponding to both
Shall i get Section engineer S & T question paper? (Railway recruitment board)
