+91-93193 64476
FlagBACK
Flag Electrostatics> current...
question mark

a potentiometer wire have a resistivity of 10^9 ohm-cm and area of cross section is 10^(-2) cm^2. if a current of 0.01mA passes through the wire. potential gradient is

1)10^9 v/m

2) 10^10 v/m

3) 10^11 v/m

4) 10^8 v/m

rani j , 15 Years ago
Grade 12
anser 1 Answers
Chetan Mandayam Nayakar

R=pl/A,V=IR=plI/A,potential gradient=V/l=pI/A=10^8 V/m

Last Activity: 15 Years ago
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 electrostatics

question mark
Electrostatics question based on earthing of spherical shell
electrostatics
1 Answer Available

Last Activity: 3 Years ago

question mark
an object has a charge of 2c and gains 10^19 electrons. the net chaarge on the object becomes??
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
A wire with a linear charge density lambda forms a quarter of a cjrclenof radius R and is placed asa shown in thefigure with its centre of curvature at the origin O the electric field at O will be
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
Find the value of q so that system remains in equilibrium.. figure attached below
electrostatics
1 Answer Available

Last Activity: 4 Years ago

question mark
Need to find the time taken for the dipole to come back to eqm
 
electrostatics
1 Answer Available

Last Activity: 4 Years ago