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    • Posted by Debasish Mishra 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Soumya Sakshi 8 years, 1 month ago

    It is because the frequency of dc is 0Hz .Thus, the capacitative reactance becomes infinity for it and capacitor does not allows dc to pass through it.however for ac frequency in india is 50 Hz and the value of capacitative reactance for it is not 0. Capacitative reactance=1÷wc,here w=omega.

    3Thank You

    ANSWER

    • Posted by Pawan Dhariwal 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 2 answers

    Rohit Bisht 8 years, 1 month ago

    Phenomenon of bending of light when it passes from one medium to other

    0Thank You

    Nitish Sahu 8 years, 1 month ago

    What is your question reflection or refraction?

    0Thank You

    ANSWER

    • Posted by Indeep Singh 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Smriti Singh 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Suzen Khan 8 years, 1 month ago

    See the derivation of zener diode as a voltage regulator

    0Thank You

    ANSWER

    • Posted by Gagan Preet 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Srishti Thakur 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 2 answers

    Suzen Khan 8 years, 1 month ago

    The region across P-n junction in which electrons and holes are absent. Or The deplected region on both sides of the P-n Junction diode

    0Thank You

    Abhishekh Kumar 8 years, 1 month ago

    The reason between n and p junction where electron and hole neutral

    2Thank You

    ANSWER

    • Posted by Jass Preet 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 4 answers

    Gagan Preet 8 years, 1 month ago

    A transistor is formed by sandwiching a thin layer of a p-type semiconductor between two layers of n-type semiconductor or by sandwiching a thin layer n-type semiconductor between two layers of p-type semiconductor.

    4Thank You

    Srishti Thakur 8 years, 1 month ago

    When two types of extrinsic semi-conductor are sandwich transistors are formed .

    2Thank You

    Monika Sehra 8 years, 1 month ago

    Device which do transfer of resistance is transistor.

    3Thank You

    Devesh Vats 8 years, 1 month ago

    A device which is used to transmit the signal is called transistor

    2Thank You

    ANSWER

    • Posted by Avnish Kumar 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Ritika Raj 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Dr Devanshi 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Suzen Khan 8 years, 1 month ago

    Yes absolutely

    1Thank You

    ANSWER

    • Posted by Mohammad Sadaf 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Nitish Sahu 8 years, 1 month ago

    Rms value is that value of ac that can produce the same heating effect in an resistance in the same time as it is done by a full cycle of ac in the same resistance and in the same tine

    0Thank You

    ANSWER

    • Posted by Mukesh Patel 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Cool Dude 8 years, 1 month ago

    I'd say Yes. At least for Maths. :)

    0Thank You

    ANSWER

    • Posted by Susmita Saha 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Kavita Arora 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Rakhi Rathor 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 2 answers

    Suzen Khan 8 years, 1 month ago

    Miss just understand the main concepts of probability strongly

    0Thank You

    Cool Dude 8 years, 1 month ago

    Because the electrons have small mass and acquire high speed nearly the speed of light while accelerated in a cyclotron. By Einstein equation : E=mc^2. And the electron gets converted into energy. Therefore they are not used in cyclotron.

    0Thank You

    ANSWER

    • Posted by Khushi Pundir 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Gagan Preet 8 years, 1 month ago

    Modulating signal is added to a carrier signal to produce the output signal then it is passed through a non linear device called square law device and then signal is passed through a band pass filter which reject all sinusoids of frequencies except three. The output of band pass filter is which is like AM wave.

    3Thank You

    ANSWER

    • Posted by Khushi Pundir 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Chinmay Srivastava 8 years, 1 month ago

    According to debrogli ..yes

    1Thank You

    ANSWER

    • Posted by Rahul Sanyal 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Neha Garg 8 years, 1 month ago

    Those transformer whose voltage has been increased is known as step up transformer.

    3Thank You

    ANSWER

    • Posted by Kerrthana Ramamoorthy 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Chinmay Srivastava 8 years, 1 month ago

    There are 5laws of photoectric effect

    0Thank You

    ANSWER

    • Posted by Tamanna Murmu 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Dr Devanshi 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Chinmay Srivastava 8 years, 1 month ago

    Actually not ..its only a mathematical representation ....r i is the measure of bending of light in othet media

    1Thank You

    ANSWER

    • Posted by Avinash Dwivedi 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 2 answers

    Nitish Sahu 8 years, 1 month ago

    Sun is at the horizontal position of the earth so it is red in sunrise and sunset

    1Thank You

    Harsh Guleria 8 years, 1 month ago

    Because at that time sun is at horizon

    1Thank You

    ANSWER

    • Posted by Vijay Singh 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Dev Krishan Gupta 8 years, 1 month ago

    By Flemings right hand rule

    0Thank You

    ANSWER

    • Posted by Shivam Kaushal 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Vipul Vishwakarma 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Deepak Kumar 8 years, 1 month ago

    Locus of all point vibrating in the same phase

    3Thank You

    ANSWER

    • Posted by Ashutosh Das 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Amit Nayak 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Aery Boy 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Pankaj Sihag 8 years, 1 month ago

    The temperature at which vapour pressure of a liquid equal to atmospheric pressure at sea level

    1Thank You

    ANSWER

    • Posted by Shantanu Kumar 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Krishna Tiwari 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

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