Q) An inductor of inductane L=400mH and resistors of

Question

Q) An inductor of inductane L=400mH and resistors of resistances R1=2ohm and R2=2ohm are connected to a battery of emf E=12V as shown in the figure . The internal resistance of the battery is negligible . The switch S is closed at time t=0. What is the potential drop accross L as a function of time?After the steady state is reached, the switch is opened , what is the direction and magnitude of current through R1 as a function of time?( JEE, 01' )

ROSHAN MUJEEB · Accepted Answer

Dear Student,Timecostant,&tau;=LR2=400&times;10&minus;32=0.2sCurrentthroughtheinductanceis,I=ER2(1&minus;e&minus;t&tau;/)I=122(1&minus;e&minus;t0.2/)=6(1&minus;e&minus;5t)PotentialdropacrossLis,e=&minus;LdIdte=&minus;0.4&times;ddt[6(1&minus;e&minus;5t)]e=0.4&times;6&times;5&times;e&minus;5t=12e&minus;5tvolt

Magnetism> Q) An inductor of inductane L=400mH and r...

Jitender Pal , 10 Years ago

ROSHAN MUJEEB

Provide a better Answer & Earn Cool Goodies

LIVE ONLINE CLASSES

Ask a Doubt

Four long co-axial thin walled cylindrical conductor A, B, C and D have radii R. 2R 3R and 4R respectively. A and C carry current I and 31 respectively to plane of paper on the other hand, B and D carry and 41 respectively outward to plane of paper. Then 21

Magnetism

I need solution of these questions.............................Magnetic effect of current

Magnetism

A freely suspended iron rod does not point at N-S directions alwalys .why

Magnetism

What is magnetic entropy change? For my knowledge, I know entropy is randomness or disorder. So here that magnetic refers to the magnetic dipole moments?

Magnetism

Derive the relation between magnetic field intensity (H) and magnetization (M) for a magnetic material placed in a magnetizing field.

Magnetism

Magnetism> Q) An inductor of inductane L=400mH and r...

Jitender Pal , 10 Years ago

ROSHAN MUJEEB

Provide a better Answer & Earn Cool Goodies

LIVE ONLINE CLASSES

Ask a Doubt

Other Related Questions on Magnetism

Four long co-axial thin walled cylindrical conductor A, B, C and D have radii R. 2R 3R and 4R respectively. A and C carry current I and 31 respectively to plane of paper on the other hand, B and D carry and 41 respectively outward to plane of paper. Then 21

Magnetism

I need solution of these questions.............................Magnetic effect of current

Magnetism

A freely suspended iron rod does not point at N-S directions alwalys .why

Magnetism

What is magnetic entropy change? For my knowledge, I know entropy is randomness or disorder. So here that magnetic refers to the magnetic dipole moments?

Magnetism

Derive the relation between magnetic field intensity (H) and magnetization (M) for a magnetic material placed in a magnetizing field.

Magnetism