Home
Class 12
PHYSICS
A closed coil consists of 500 turns has ...

A closed coil consists of 500 turns has area `4 cm^2` and a resistance of `50 Omega`. The coil is kept with its plane perpendicular to a uniform magnetic field of `0.2 Wb/m^2`. Calculate the amount charge flowing through the coil if it is rotated through `180^@`

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Understand the problem and identify the given values We have a closed coil with: - Number of turns (N) = 500 - Area (A) = 4 cm² = 4 × 10⁻⁴ m² (conversion from cm² to m²) - Resistance (R) = 50 Ω - Magnetic field (B) = 0.2 Wb/m² ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Exercise 27.2|4 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Exercise 27.3|4 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Miscellaneous Examples|5 Videos
  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Medical entrances gallery|97 Videos
  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Sec C|22 Videos

Similar Questions

Explore conceptually related problems

A square coil of 10^(-2) m^(2) area is placed perpenducular to a uniform magnetic field of 10^(3) Wb//m^(2) . What is magnetic flux through the coil?

A closed circular loop of 200 turns of mean diameter 50 cm & having a total resistance of 10 Omega is placed with its plane at right angle to a magnetic field of strength 10^(-2) Tesla.Calculate the quantity of electric charge passed through it when the coil is turned through 180^(@) about an axis in its plane.

Knowledge Check

  • A coil having 50 turns and an area of 800 cm^(2) is held with its plane perpendicular to uniform magnetic field of induction 5xx10^(-5)Wb//m^(2) . If it is pulled out of the field in 2 second, then the emf induced in the coil will be

    A
    `10^(-4)V`
    B
    `10^(-5)V`
    C
    `10^(-6)V`
    D
    `10^(-8)V`
  • A coil 10 turns and a resistance of 20 Omega is connected in series with B.G. of resistance 30 Omega . The coil is placed with its plane perpendicular to the direction of a uniform magnetic field of induction 10^(-2) T. If it is now turned through an angle of 60^@ about an axis in its plane. Find the charge induced in the coil.

    A
    `2 xx 10^(-5)`C
    B
    `3.2 xx 10^(-5) C`
    C
    `1 xx 10^(-5)C`
    D
    `5.5 xx 10^(-5) C`
  • Similar Questions

    Explore conceptually related problems

    A square coil of 600 turns, each side 20cm, is placed with its plane inclined at 30^(@) to a uniform magnetic field of 4.5xx10^(-4)Wbm^(-2) , Find the flux through the coil.

    A circular coil of 200 turns and mean radius 30 cm is placed in a uniform magnetic field of induction 0.02 T and is free to rotate about an axis coinciding with its own plane, but perpendicular to the uniform magnetic field. The coil is in closed circuit having a total resistance of 50 Omega . if the plane of the coil is initially perpendicular to the field find the charge flown through the circuit, when the coil is rotated through (i) 60^@ (ii) 180^@ .

    2A closed coil of copper whose area is 1m xx 1m is free to rotate about an axis. The coil is placed perpendicular to a magnetic field of 0.10 Wb//m^(2) . It is rotated through 180^(@) in 0.01 second. Then (The resistance of the coil is 2.0Omega )

    A coil has 50 turns and its area is 500 cm^(2) . It is rotating at the rate of 50 r.p.s. at right angles to a magnetic field of 0.5 Wb//m^(2) . Calculate the maximum value of electromotive force developed across the ends of the coil.

    A rectangular coil of 100 turns has length 5 cm and width 4 cm. it is placed with its plane parallel to a uniform magnetic field and a current of 2 A is sent through the coil. Find the magnitude of the magnetic field B, if the torque acting on the coil is 0.2 Nm^(-1).

    A current coil of total resistance R is kept inside magnetic field. How is the change in magnetic flux through the coil related to the amount of charge passing through the coil?