Advertisements
Advertisements
Question
A rectangular coil having 60 turns and area of 0.4m2 is held at right angles to a uniform magnetic field of flux density 5 × 10-5T. Calculate the magnetic flux passing through it.
Advertisements
Solution
`phi = NBA`
`= 60xx5xx10^(-5)xx 0.4`
`= 120 xx 10^(-5)` Wb
APPEARS IN
RELATED QUESTIONS
A square loop MNOP of side 20 cm is placed horizontally in a uniform magnetic field acting vertically downwards as shown in the figure. The loop is pulled with a constant velocity of 20 cm s−1 till it goes out of the field.

(i) Depict the direction of the induced current in the loop as it goes out of the field. For how long would the current in the loop persist?
(ii) Plot a graph showing the variation of magnetic flux and induced emf as a function of time.
An inductor is connected to a battery through a switch. Explain why the emf induced in the inductor is much larger when the switch is opened as compared to the emf induced when the switch is closed.
Calculate magnetic flux density of the magnetic field at the centre of a circular coil of 50 turns, having a radius of 0.5m and carrying a current of 5 A.
The magnetic flux linked with a coil of N turns of area of cross-section A held with its plane parallel to the field B is ______.
The magnetic flux linked with the coil (in Weber) is given by the equation- Փ = 5t2 + 3t + 16. The induced EMF in the coil at time, t = 4 will be ______.
What is magnetic flux linked with any surface?
Which symbol represents magnetic flux?
What does \[\vec B\] represent in the magnetic flux formula?
When every turn of a coil of \[N\] turns contributes equally, what is its magnetic flux linkage?
What happens to magnetic flux when area \[A\] increases while magnetic field and orientation remain unchanged?
