Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

Current Electricity
Asked by | 04 Jun, 2008, 12:38: PM
Expert Answer

Using given information first find resistance of the lamp(P=V2 /R). Also find current.(P=VI)

Then find resistance using current obtained above and 12V battery voltage.

Try the question in case of a problem, pls let us know.

Answered by | 04 Jun, 2008, 02:36: PM
Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 11-science - Physics
A small spherical object having density 2P is placed inside the liquid of density P and connected to an ideal string of length l whose other end is kept fixed so that the object can move in a vertical cirlcle, minimum speed which must be given at the bottom to just complete the vertical circle.
Asked by dhruvund8769 | 04 Feb, 2023, 11:41: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
what is thermodynamics
Asked by s3043632 | 22 Jan, 2023, 06:45: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
please answer
Asked by gdeadshot85 | 14 Jan, 2023, 09:58: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
For a liquid drop of radius r falling in air with terminal velocity power delivered by gravitational force is proportional to
Asked by gdeadshot85 | 12 Jan, 2023, 10:28: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
A particle is projected from a point P with a velocity v at an angle θ with horizontal. At a certain point Q it moves at right angles to its initial direction. Then (a) velocity of particle at Q is vsintheta (b) velocity of particle at Q is Vtantheta (c) time taken from P and Q is v/g sin theta (d) time taken from P and Q is v/gsectheta
Asked by hy9022075 | 11 Jan, 2023, 05:06: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
a particle start from rest and move along a straight line with uniform acceleration.the ratio of time taken to cover successive distance in the ratio 1:3 is
Asked by hy9022075 | 10 Jan, 2023, 09:06: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Mention the method of determining the mass of planets star etc 
Asked by rajkumaeghogre975 | 10 Jan, 2023, 07:36: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Physical world numericals
Asked by abhiabhishek842006 | 10 Jan, 2023, 06:36: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
4 identicle bodies of mass m are located at vertices of square of side l they revolve under the effect of mutual gravitational force in circle circumscribing the square then the speed of each body will be
Asked by shivanipanchal6883 | 05 Jan, 2023, 02:44: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
if position 'x' defined a function of time as: x(t)=t*3+2t*2+3t+4 . (1) find initial position of particle (2) find velocity in time interval from to =0 at t=3 second
Asked by ad4957216 | 03 Jan, 2023, 04:54: PM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Free Sample Papers - Click Here
×