Q.

A conducting rod PQ of length L = 1 m is moving with a uniform speed v = 2.0 m s-1 in a uniform magnetic field B = 4.0 T directed into the plane of the paper.A capacitor of capacity C=10μF is connected as shown in figure, then

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

qA=+80μC and qB=-80μC

b

qA=-80μC and qB=+80μC

c

qA=0=qB

d

charge stored in the capacitor increases exponentially with time

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

q =CV=C(Bvl)= (10 x 10-6) (4) (2) (1)=80μC=constantMagnetic force on the electron in the conducting rod PQ is towards Q.Therefore, A is positively charged and B is negatively charged.
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon