Tag: physics
Questions Related to physics
The current in a coil is changed from 5 A to 10 A in $10^{-2}s$. Then, an emf of 50 m V is induced in a coil near by it. Calculate mutual inductance of two coils.
A short solenoid of radius $a,$ number of turns per unit length $n _ { 1 } ,$ and length $L$ is kept coaxially inside a very long solenoid of radius $b ,$ number of turns per unit length $n _ { 2 } .$ What is the mutual inductance of the system?
A long straight wire is placed along the axis of a circular ring of radius $R$. The mutual inductance of this system is
Two coils $A$ and $B$ having turns $300$ and $600$ respectively are placed near each other, on passing a current of $3.0$ ampere in $A$ the flux linked with $A$ is $1.2 \times 10 ^ { - 4 } weber$ and with $B$ it is $9.0 \times 10 ^ { - 5 } weber.$ The mutual inductance of the system is
The inductance of a solenoid $0.5\ m$ long of cross-sectional area $20\ cm^2$ and with $500$ turns is
Two coils are placed close to each other. The mutual inductance of the pair of coils depend upon :
Which of the following units denotes the dimension $\dfrac {ML^2}{Q^2}$ where Q denotes the electric charge?
The mutual inductance between two coils when a current of $5$ A changes to $10$ A in $1$ s and induces an emf of $100$ m V in the secondary is ______
Identify which of the following best describe the Mutual inductance?
For a current carrying inductor, emf associated in $20mV$. Now, current through it changes from $6A$ to $2A$ in $2s$. The coefficient of mutual inductance is