Question:
Two coils X and Y are placed in a circuit such that a current changes by 3 A in coil X and magnetic flux changes of 1.2 Wb occurs in Y. The value of mutual inductance of the coils is:
Two coils X and Y are placed in a circuit such that a current changes by 3 A in coil X and magnetic flux changes of 1.2 Wb occurs in Y. The value of mutual inductance of the coils is:
Show Hint
$M = \fracΔ ΦΔ I}$.
Updated On: Apr 16, 2026
- 0.2 H
- 0.4 H
- 0.6 H
- 3.6 H
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: $M = \fracΔ ΦΔ I = \frac1.23 = 0.4$ H.
Was this answer helpful?
0
0
Top MET Physics Questions
- The wave number of the shortest wavelength of absorption spectrum of hydrogen atom is_ _ _ _
(Rydberg constant = \(109700\,\mathrm{cm^{-1}}\)).- MET - 2024
- Physics
- atom structure models
- In the circuit shown, diode has \(20\Omega\) forward resistance. When \(V_i\) increases from \(8V\) to \(12V\), change in current is \(x\,mA\). Find \(x\).
- MET - 2024
- Physics
- applications of diode
- When a lens is cut into two halves along \(XOX'\), then focal length of each half lens:
- MET - 2024
- Physics
- Ray optics and optical instruments
- An electric dipole shown in the figure. Work done to move a charge particle of \(1\mu C\) from point Q to P is \(x \times 10^{-7} J\), then the value of \(x\) is:
- MET - 2024
- Physics
- Electric charges and fields
- An electric kettle has two coils. When one coil is switched on, it takes 10 min to boil water and when the second coil is switched on it takes 20 min to boil same amount of water. The time taken when both coils are used in parallel is \(n\) seconds. Find \(n\).
- MET - 2024
- Physics
- Kirchhoff's Laws
View More Questions
Top MET Electromagnetic induction Questions
- A physicist works in a laboratory where the magnetic field is 2 T. She wears a necklace enclosing area 0.01 m\(^2\) in such a way that the plane of the necklace is normal to the field and is having a resistance \(R = 0.01\ \Omega\). Because of power failure, the field decays to 1 T in time \(10^{-3}\) s. Then what is the total heat produced in her necklace?
- MET - 2019
- Physics
- Electromagnetic induction
- A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of \(10^{-5}\) Wb. The inductance is
- MET - 2019
- Physics
- Electromagnetic induction
- The unit of L/R is (where L = inductance and R = resistance)
- MET - 2019
- Physics
- Electromagnetic induction
- In a step-up transformer the voltage in the primary is $220\mathrm{V}$ and the current is $5\mathrm{A}$. The secondary voltage is found to be $22000\mathrm{V}$. The current in the secondary (neglect losses) is
- MET - 2018
- Physics
- Electromagnetic induction
- A bar magnet is released into a copper ring directly below it. The acceleration of the magnet will be
- MET - 2018
- Physics
- Electromagnetic induction
View More Questions
Top MET Questions
- Let \( f:\mathbb{N} \to \mathbb{N} \) be defined as \[ f(n)= \begin{cases} \frac{n+1}{2}, & \text{if } n \text{ is odd} \\ \frac{n}{2}, & \text{if } n \text{ is even} \end{cases} \] Then \( f \) is:
- MET - 2024
- types of functions
- Given vectors \(\vec{a}, \vec{b}, \vec{c}\) are non-collinear and \((\vec{a}+\vec{b})\) is collinear with \((\vec{b}+\vec{c})\) which is collinear with \(\vec{a}\), and \(|\vec{a}|=|\vec{b}|=|\vec{c}|=\sqrt{2}\), find \(|\vec{a}+\vec{b}+\vec{c}|\).
- MET - 2024
- Addition of Vectors
- Given \(\frac{dy}{dx} + 2y\tan x = \sin x\), \(y=0\) at \(x=\frac{\pi}{3}\). If maximum value of \(y\) is \(1/k\), find \(k\).
- MET - 2024
- Differential equations
- Let \( f(x) \) be a polynomial such that \( f(x) + f(1/x) = f(x)f(1/x) \), \( x > 0 \). If \( \int f(x)\,dx = g(x) + c \) and \( g(1) = \frac{4}{3} \), \( f(3) = 10 \), then \( g(3) \) is:
- MET - 2024
- Definite Integral
- A real differentiable function \(f\) satisfies \(f(x)+f(y)+2xy=f(x+y)\). Given \(f''(0)=0\), then \[ \int_0^{\pi/2} f(\sin x)\,dx = \]
- MET - 2024
- Definite Integral
View More Questions