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    • Posted by Shivam Pandit 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Gunjan Kumari 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Shivam Pandit 7 years, 3 months ago

    In the absence of gravitational law , there is disorder Ness in the world .we r on the earth only due to gravitational force

    1Thank You

    ANSWER

    • Posted by Akash Kanaujiya 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Amarjeet Kour 7 years, 3 months ago

    Electric lines cannot form closed loops as these line move in a continuous manner from positive to negative. Electric lines move outward from the positive charge and electric lines move inward the negative charge. Hence, electric lines can't form closed loops

    7Thank You

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    • Posted by Komal Sharma 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Anshu Chauhan 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Shivam Pandit 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Pnp Jain 7 years, 3 months ago

    It can also be said that since current is the dot product of two vectors current density j and area S it is a vector since dot product gives a scalar quantity.

    1Thank You

    Ravi Kumar 7 years, 3 months ago

    The direction of current is only a convential direction we are using to solve problem in physics .Actually current doesn't have any direction as it doesn't obey vectors law of addition and parallelogram law of vactor . Suppose a current is flowing in a wire placed in a x axis then after resolving the component sin and cos it doesn't have any significance as the sum now obtained is different from the actual value of current .

    2Thank You

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    • Posted by Ashutosh Kumar Shahi 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Shivam Pandit 7 years, 3 months ago

    Scattering of light is phenomenon of change in direction of light on striking an atom , a molecule , dust particles etc At the time of sun rise& sun set , sun is at near the horizon .the rays coming from sun have to travel a much part of atmosphere. Therefore most of the blue light is scattered away but red colour which has largest wave length is scattered least and the red colour enters into our eyes

    3Thank You

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    • Posted by Rohit Lashkare 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Rahul Chauhan 7 years, 3 months ago

    For this purchase together with book

    0Thank You

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    • Posted by Tamoghna Roy 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Anshu Kumar 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Ravi Kumar 7 years, 3 months ago

    The velocity is the ratio of displacement covered in given time in sec . It is only for a particular direction . Its a vector quantity as it have direction and magnitude . Unit are m/s dimension are lt-¹

    0Thank You

    Tamoghna Roy 7 years, 3 months ago

    Velocity is the displacement covered in time ??

    1Thank You

    H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

    Velocity is displacement per unit time interval.

    1Thank You

    ANSWER

    • Posted by Ayush Gupta 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Suresh Rana 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Ayush Raj Raj 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    R C 7 years, 3 months ago

    u can also do it experimentally, close ur eyes and think about ur friends(or any other u know) face, as he/she is not there but u r able to see him/her.

    1Thank You

    Jin Kazama 7 years, 3 months ago

    Dream object is not actual visulancee it just a thinking of our mind if once our eye is closeddd than we never se whatever is around us. And dream is based on only those thing whatever we see during opening of eye and whatever we thinkk ....

    1Thank You

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    • Posted by Thakur Sumit Singh 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Amarjeet Kour 7 years, 3 months ago

    Use pardeep for best questions on Kirchhoffs rule

    0Thank You

    ANSWER

    • Posted by Khushi Jain 5 years, 4 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Sandeep Singh 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Shivam Pandit 7 years, 3 months ago

    According to the biot savart law , the magnet field at a point around conductor (B) =kIdlsin₩/r2 Where k=constant of proportionality I=current, dl=small elementary length of conductor ₩= angle between I & dl The magnetic field inside a condutor is 0 Because angle (₩ ) between I&dl is 0 Therefore sin0=0 Thus b unside a conductor is 0

    1Thank You

    Rahul Chauhan 7 years, 3 months ago

    Subani ji this is magnetic field not electric field so no role of electrons in this

    1Thank You

    Mehboob Subani 7 years, 3 months ago

    Because the electrons in the conducter as not flow all places they are flow only surface of conducter so the net field zero inside the conductet

    1Thank You

    ANSWER

    • Posted by Manish Jaat 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Ravi Kumar 7 years, 3 months ago

    It is only possible when there is a large potential difference as in case of lighting happens at that time ions conduct electricity.

    1Thank You

    Rahul Chauhan 7 years, 3 months ago

    May be by ions

    1Thank You

    Manish Jaat 7 years, 3 months ago

    Electricity

    0Thank You

    Devraj Pahariya 7 years, 3 months ago

    Chapter name?

    3Thank You

    ANSWER

    • Posted by Manish Jaat 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Manish Jaat 7 years, 3 months ago

    Give me equation plz

    0Thank You

    Sandeep Singh 7 years, 3 months ago

    Inside a conductor b =0 bro

    1Thank You

    ANSWER

    • Posted by Adithyesh Ajay 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Divyansh Yadav 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Divyansh Yadav 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Gaurav Durgapal 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ravi Kumar 7 years, 3 months ago

    It is a situation in which the energy is consumed more and more then the supply .

    0Thank You

    ANSWER

    • Posted by Ravi Prasad 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Kanhaiya Yadav 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Divyansh Yadav 7 years, 3 months ago

    When angle betweem them is 0

    0Thank You

    ANSWER

    • Posted by Shivam Pandit 5 years, 4 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Shivam Pandit 7 years, 3 months ago

    The reason for this is that when we swich on heater then current coming to our house increase ,therefore V =e.mf_ir Where,v=potential difference, i=current &r=i nternal resistance According to above relation ,, When i (current )increase ,v (potential difference decreases. Hence, thete is dim in brightness of bulb due to decrease in potential difference.

    1Thank You

    Jin Kazama 7 years, 3 months ago

    Because heator is more power consumer than bulbb so i think suden opening of heator may cause slight change in brtitnessss

    0Thank You

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    • Posted by Shivam Verma 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Amarjeet Kour 7 years, 3 months ago

    Through the process of induction

    0Thank You

    Abhigyan Dwivedi 7 years, 3 months ago

    By inviting a negative charge near it .

    1Thank You

    ANSWER

    • Posted by Sumit Roy 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Amarjeet Kour 7 years, 3 months ago

    No. density of x =2y and no. density of y is y. According to question both wires have same diameter and joined in series. Therefore, both have same area, charge and current. Vdy\vdx = 2y\y Vdy\vdx =2:1

    0Thank You

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    • Posted by Somesh Tyagi 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Rahul Chauhan 7 years, 3 months ago

    With ncert solve cbse important questions given in this app

    0Thank You

    Tannya Pande 7 years, 3 months ago

    Yes , surly u can score 90+ marks but do not leave a single topic & read thoroughly .?

    0Thank You

    Abhigyan Dwivedi 7 years, 3 months ago

    Yes, NCERT book is enough for securing more than 90% marksin CBSE. But you not have to leave anything.

    0Thank You

    Mishra Aaditya 7 years, 3 months ago

    Yes bro Keep studying them, these are enough to meet u above 80% marks.

    3Thank You

    ANSWER

    • Posted by Mohammed Asad 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Devender Singh 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

    If charge is divided into Q/2 and Q/2 then force will be maximum. Devendra is correct:- Let the charge is divided into q1 and q2 and apply dF/dq=0 d[(kq1×q2)/r^2]/dq=0 As charge remains same so q2 =Q-q1 k/r^2 d[q1(Q-q1)]/dq=0 d[Qq1-q1q1]/dq=0 Q-2q1=0 q1=Q/2 and q2=Q-Q/2=Q/2 Hence both charges are half of original charge

    0Thank You

    Devraj Pahariya 7 years, 3 months ago

    dF/dq will equal to zero , use this to get answer

    3Thank You

    Devender Singh 7 years, 3 months ago

    Answer

    0Thank You

    ANSWER

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