+91-735-322-1155
FlagBACK
Flag Electric Current> electricity...
question mark

A circuit consists of a resistance R connected to n similar cells.If the current in the circuit is the same whether the cells are connected in series or in parallel,then the internal resistance of each cell is given by

a.r=R/n

b.r=nR

c.r=R

d.r=1/R

Menka Malguri , 14 Years ago
Grade 12th Pass
anser 1 Answers
Sher Mohammad

Last Activity: 11 Years ago

R=r+.........+r=nr
1/R=1/r+........+1/r=n/r
R=r/n=nr
imply n=1, r=R.

sher mohammad
b.tech, iit delhi
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


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: 3 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: 3 Years ago

question mark
Please provide it's solution. In video form 
Find the equivalent resistance of the given figure
electric current
1 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
1 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
1 Answer Available

Last Activity: 3 Years ago