Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be
Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be
- [IIT 2001]
- A
Maximum in situation $(A)$
- B
Maximum in situation $(B)$
- C
Maximum in situation $(C)$
- D
The same in all situations
Similar Questions
The area of its cross-section is $1.2 \times {10^{ - 3}}{m^2}$. Around its central section, a coil of $300$ turns is wound. If an initial current of $2A$ in the solenoid is reversed in $0.25\, sec$, then the $e.m.f$. induced in the coil is
The area of its cross-section is $1.2 \times {10^{ - 3}}{m^2}$. Around its central section, a coil of $300$ turns is wound. If an initial current of $2A$ in the solenoid is reversed in $0.25\, sec$, then the $e.m.f$. induced in the coil is
A coil of radius $1\, cm$ and of turns $100$ is placed in the middle of a long solenoid of radius $5\, cm$. and having $5\, turns/cm$. parallel to the axis of solenoid The mutual inductance in millihenery will be
A coil of radius $1\, cm$ and of turns $100$ is placed in the middle of a long solenoid of radius $5\, cm$. and having $5\, turns/cm$. parallel to the axis of solenoid The mutual inductance in millihenery will be
In a $dc$ motor, induced $e.m.f.$ will be maximum
In a $dc$ motor, induced $e.m.f.$ will be maximum
Write formula for mutual inductance for two very long coaxial solenoids of length $\mathrm{l}$.
Write formula for mutual inductance for two very long coaxial solenoids of length $\mathrm{l}$.
A short solenoid (length $l$ and radius $r$ with $n$ turns per unit length) lies well inside and on the axis of a very long, coaxial solenoid (length $L$, radius $R$ and $N$ turns per unit length, with $R>r$ ). Current $I$ follows in the short solenoid. Choose the correct statement.
A short solenoid (length $l$ and radius $r$ with $n$ turns per unit length) lies well inside and on the axis of a very long, coaxial solenoid (length $L$, radius $R$ and $N$ turns per unit length, with $R>r$ ). Current $I$ follows in the short solenoid. Choose the correct statement.
- [KVPY 2019]