MCQ
Dimensions of mutual inductance is :
  • $ML^{2}T^{-2}A^{-2}$
  • B
    $ML^{2}T^{2}A^{2}$
  • C
    $ML^{2}T^{-2}A^{2}$
  • D
    None of these

Answer

Correct option: A.
$ML^{2}T^{-2}A^{-2}$
A

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A cell of internal resistance r is connected to an external resistance R. The current will be maximum in R, if(a) R = r(b) R < r (c) R > r (d) R = r/2
       
The maximum kinetic energy of a photo electron emitted from a metal is 1.8 eV . The value of stopping potential (cut-off voltage) will be :
A battery of e.m.f. 10 V and internal resistance 0.5 ohm is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by(a) 2.0 ohm(b) 0.25 ohm(c) 1.0 ohm(d) 0.5 ohm
       
Two identical capacitors A and B are charged to the same potential V and are connected in two circuits at t = 0 as shown in figure. The charges on the capahltors at a time t = CR are, respectively:
In a series LCR circuit the voltage across resistance, capacitance and inductance is 10V each. If the capacitance is short circuited, the voltage across the inductance will be.
An arc of a circle of radius $R$ subtends an angle $\frac{\pi}{2}$ at the centre. It carries a current $i .$ The magnetic field at the centre will be
Assertion  :   A laser beam 0.2 W power can drill holes through a metal sheet, whereas 1000 W torch-light cannot.   
Reason     : The frequency of laser light is much higher then that of torch light.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
A conducting rod $PQ$ of length $L = 1.0 m$ is moving with a uniform speed $v = 2\ m/s$ in a uniform magnetic field $B = 4.0T$ directed into the paper. $A$ capacitor of capacity $C = 10\ mF$ is connected as shown in figure. Then
Assertion :   An electron is not deflected on passing through certain region of space. This observation confirms that there is no magnetic field in that region.
Reason     : The deflection of electron depends on angle between velocity of electron and direction of magnetic field. (a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If assertion is false but reason is true.
 
 
 
 
A current carring coil is placed in a uniform magnetic field. If the coil turns through an angle $\theta,$ then the torque is directly proportional to: