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Home /Doubts and Solutions/CBSE/Class 12 Science

CBSE Class 12 Science Free Doubts and Solutions

CBSE - XII Science - Physics

Explaination of derivation of drift velocity and potentiometer

Asked by sayleeashelar 22nd July 2019, 8:28 PM

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CBSE - XII Science - Physics

Two capacitors of capacitance 3uf and 5uf are joined in parallel and the combination is connected in series with 2uf capacitor. What is the resultant capacitance? 

Asked by srvr1971 22nd July 2019, 4:55 PM
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CBSE - XII Science - Biology

Can we use pencil to draw diagrams in all subject in class 12 th board ?

Asked by govtsecschoolnayaganv051 22nd July 2019, 1:21 PM
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CBSE - XII Science - Physics

Find the potential difference between points a and b 

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Asked by prakriti12oct 21st July 2019, 12:07 AM
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CBSE - XII Science - Physics

Calculate the equivalent resistance between a and b 

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Asked by prakriti12oct 20th July 2019, 10:41 PM
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CBSE - XII Science - Physics

A balloon initially at rest starts rising from the ground with an acceleration of 2m per square second. After 4seconds a stone is dropped from balloon .In one second of time after drop,the stone will cover a distance of (g=10 m per square second

Asked by namratas1 20th July 2019, 8:52 PM
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CBSE - XII Science - Physics

Find the equivalent resistance between the points a and b 

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Asked by prakriti12oct 18th July 2019, 9:10 AM
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CBSE - XII Science - Physics

Find the resistance between the points : 1) A and B  2) A and C

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Asked by prakriti12oct 17th July 2019, 9:11 PM
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CBSE - XII Science - Physics

When electrons drift in a metal from lower to higher potential, does it mean that all free electrons of the metal are moving in the same direction?

Asked by mdashafi 16th July 2019, 10:01 PM
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CBSE - XII Science - Physics

what is intencity method  and inverse squre law of intencity

Asked by rajshekhar2718 15th July 2019, 10:02 PM
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