A solenoid having an iron core has its terminals connected across an ideal \( D C \) source and ...

Channel:
PW Solutions
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=BtkVRPpR2kU


Duration: 3:30
0 views
0

A solenoid having an iron core has its terminals connected across an ideal \( D C \) source and it is in steady state. If the iron core is removed, the current flowing through the solenoid just after removal of rod
(a) Increases
(b) Decreases
(c) Remains unchanged
(d) Nothing can be said
šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
šŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-06-08A uniform circular ring of radius \( R \), mass \( m \) has uniformly distributed charge \( q \)...
2023-06-08A conducting rod \( P Q \) of length \( 5 \mathrm{~m} \) oriented as shown in figure is moving w...
2023-06-08A cylindrical region of uniform magnetic field exists perpendicular to plane of paper which is i...
2023-06-08A rectangular loop of sides \( a \) and \( b \) is placed in \( x y \) plane. A very long wi...
2023-06-08In the circuit shown, the cell is ideal. The coil has an inductance of \( 4 \mathrm{H} \) and ze...
2023-06-08A circuit element is placed in a closed box. At time \( t=0 \), constant current generator suppl...
2023-06-08An inductor coil stores energy \( U \) when a current \( i \) is passed through it and dissipate...
2023-06-08When induced emf in inductor coil is \( 50 \% \) of its maximum value then stored energy in indu...
2023-06-08The battery shown in the figure is ideal. The values are \( \varepsilon=10 \mathrm{~V}, R=5 \Ome...
2023-06-08Two inductor coils of self inductance \( 3 \mathrm{H} \) and \( 6 \mathrm{H} \) respectively are...
2023-06-08A solenoid having an iron core has its terminals connected across an ideal \( D C \) source and ...
2023-06-08In the given circuit find the ratio of \( i_{1} \) to \( i_{2} \). Where \( i_{1} \) is the init...
2023-06-08In a series \( L-R \) growth circuit, if maximum current and maximum induced emf in an inductor ...
2023-06-08The number of turns, cross-sectional area and length for four solenoids are given in the followi...
2023-06-08Two inductors \( L_{1} \) and \( L_{2} \) are connected in parallel and a time varying current \...
2023-06-08A thin copper wire of length 100 metres is wound as a solenoid of length \( l \) and radius \( r...
2023-06-08In an \( L R \) circuit current at \( t=0 \) is \( 20 \mathrm{~A} \). After \( 2 \mathrm{~s} \) ...
2023-06-08Two identical inductance carry currents that vary with time according to linear laws (as shown i...
2023-06-08A wire of fixed length is wound on a solenoid of length \( l \) and radius \( r \) . Its self...
2023-06-08The network shown in the figure is part of a complete circuit. If at a certain instant, the curr...
2023-06-08A neutral metallic ring is placed in a circular symmetrical uniform magnetic field with its plan...