1800-150-456-789
FlagBACK
Flag Electric Current> Calculate the drift velocity in a copper ...
question mark

Calculate the drift velocity in a copper wire of radius 0.1 cm. Carrying current of 28.27 amp

Shruti , 7 Years ago
Grade 12
anser 1 Answers
Eshan

Last Activity: 6 Years ago

For a conductor, current densityJ=nev_d=I/A
wherev_dis the drift velocity of the electroncs.

Hencev_d=\dfrac{I}{neA}
We need to know the number of copper atoms present per unit volume to find the drift velocity.

Provide a better Answer & Earn Cool Goodies

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Other Related Questions on electric current

question mark
The fig. Shows a network of resistance in which the point A is earthed
 
electric current
0 Answer Available

Last Activity: 2 Years ago

question mark
When a p.d of 2v is applied across a resistor, 10j of energy are covered. What charge flows through the resistor?
 
electric current
0 Answer Available

Last Activity: 2 Years ago

question mark
Please provide it's solution. In video form 
Find the equivalent resistance of the given figure
electric current
0 Answer Available

Last Activity: 3 Years ago

question mark
The resistivity of material is 10 ohm m at 30 C when the temperature drops to 28 then the resistivity  drops by 2. The temperature coefficient of resistivity of material is 
electric current
0 Answer Available

Last Activity: 3 Years ago

question mark
Three cells of 2.0v each and internal resistance of 1.0 each are connected in series and in parallel calculate the new emf and new internal resistance in each connection
 
electric current
0 Answer Available

Last Activity: 3 Years ago