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How line integral of magnetic field is zero however electric field over a closed path is its electric flux

Posted by Asif Ali 7 years, 1 month ago

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What are coherent sources of light?Why is no interference pattern observed?When two coherent sources of light- 1infinitely clised to each other 2 for aparts from each other

Posted by Lalawmpuia Renthlei 7 years, 1 month ago

CBSE > Class 12 > Physics

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Which physics sample paper is best for coming sa1,2 examination

Posted by Svm Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Shivam Singh 7 years, 1 month ago

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Formulas

Posted by Lakshay Panwar 7 years, 1 month ago

CBSE > Class 12 > Physics

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A uniform a uniform wire of resistance 50 ohm is cut into 5 equal parts. These parts are now connected in parallel .what is the value of equivalent resistance of the combination and how?

Posted by Amulya Veerasekar 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Harry Kane 7 years, 1 month ago

As resistance is dependent on length and area , as length is Divided in 5 parts so resistance of each part is reduced by 1/5 times the original value of resistance.In parallel 1/R = 1/R1 +1/R2 ......+1/R5. =5(1/10)= 1/2 and R = 2

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Viscosity

Posted by Dheeraj Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

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how P=I2RT

Posted by Rahul Gulia 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Ishita Gupta 7 years, 1 month ago

P is I^2R not I^2RT it is heat

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In the given figure .a painter of mass 100 kg is standing in a create of mass 25 kg pulls himself up along with the rate with an accleration.if the painter exerts effective force of 450 N on the florr of the crate and g=10 find out acceleration of painter and tension in the string.

Posted by Animesh Tiwari 7 years, 1 month ago

CBSE > Class 12 > Physics

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Which is thicker if copper and silver wire have same resistance and same length?

Posted by Deepika Sharma 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Prashant Raj 7 years, 1 month ago

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Faraday experiment

Posted by Himanshu Sharma 7 years, 1 month ago

CBSE > Class 12 > Physics

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What is magnetic Lorentz force??

Posted by Shivam Patel 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Anupam Agrawal 7 years, 1 month ago

The sum of electrical and magneric forces is called loretz force bhai

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What is magnetic bottle?

Posted by Shantanu Sonkar 7 years, 1 month ago

CBSE > Class 12 > Physics

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Two wires of equal length one of copper be the others of maganin have the same resistence which wire is thicker.

Posted by Samreen Fatma 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Samreen Fatma 7 years, 1 month ago

Magnin

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Consider charges q,q and -q placed at the vertices of eqilateral triangle. What is the force on each charge?

Posted by Rao Diler 7 years, 1 month ago

CBSE > Class 12 > Physics

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what are hard and soft ferro magnetic sustance ?????

Posted by Ajith Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

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Ritik Tyagi 7 years, 1 month ago

Hard is large no. Of unpaired elec. & soft is small no. Of unpaired elec.

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How much charge can be given to a spere of radius 1cm in air maxmimum surface density charge of a conductor in air is equal to 2.35 into 10 to the power minus 5 cm square

Posted by Vishwesh Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Pooja Sharma 7 years, 1 month ago

2.954×10^-12

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The energy of charge particles moving in magnetic field does not change why

Posted by Hemant Vishwakarma 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Meet Joshi 7 years, 1 month ago

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Application of Gauss theorem

Posted by Mehar Singh 7 years, 1 month ago

CBSE > Class 12 > Physics

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A toroid have 2000 turns with inner radii of 2m and outer radii of 2.5 m if a current of 10A is flowing through the toroid find magnetic field at the centre and inside the coil

Posted by Himanshu Sandy 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Pooja Sharma 7 years, 1 month ago

At centre is zero and inside is 2×10^4u.

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Why core of transformer is laminated

Posted by Harsimran K 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Pooja Sharma 7 years, 1 month ago

To reduce its energy loss

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Derivation for plane polar coordinate system in different coordinate syatem

Posted by Sanskar Jain 7 years, 1 month ago

CBSE > Class 12 > Physics

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Derivation for lens makers formula

Posted by Mitun Satheesh 7 years, 1 month ago

CBSE > Class 12 > Physics

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What is voltammeter?

Posted by Akshay Satish 7 years, 1 month ago

CBSE > Class 12 > Physics

3 answers

Akshay Satish 7 years, 1 month ago

It is not voltmeter, it is voltammeter.

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Shivam Kumar 7 years, 1 month ago

an instrument for measuring electric potential in volts

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Shivam Kumar 7 years, 1 month ago

A voltmeter, also known as a voltage meter, is an instrument used for measuring the potential difference, or voltage, between two points in an electrical or electronic circuit

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What is stored in capacitance?

Posted by Vishwajeet Gupta 7 years, 1 month ago

CBSE > Class 12 > Physics