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A polythene piece rubbed with wool is found to have a negative charge of \(3×10^{–7} C\) Physics

A polythene piece rubbed with wool is found to have a negative charge of \(3×10^{–7} C\)

I'm SamsaD March 04, 2021

Question Id:  PH0000011 Question : A polythene piece rubbed with wool is found to have a negative charge of \(3×10^{–7} C\).  (a) Estimate the numbe…

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An electric dipole with dipole moment \(4 × 10^{–9}\) C.m is aligned at 30° with the direction of a uniform electric field of magnitude \(5 × 10^4 NC^{–1}\) . Calculate the magnitude of the torque acting on the dipole. Physics

An electric dipole with dipole moment \(4 × 10^{–9}\) C.m is aligned at 30° with the direction of a uniform electric field of magnitude \(5 × 10^4 NC^{–1}\) . Calculate the magnitude of the torque acting on the dipole.

I'm SamsaD March 04, 2021

Question Id:  PH0000010 Question :  An electric dipole with dipole moment \(4\times 10^{-9} C.m\) is aligned at 30° with the direction of a uniform e…

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Explain why two field lines never cross each other at any point? Physics

Explain why two field lines never cross each other at any point?

I'm SamsaD March 03, 2021

Question Id:  PH0000009 Question:  Explain why two electrostatic field lines never cross each other at any point? Explanation: Electrostatic field li…

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Explain the meaning of the statement ‘electric charge of a body is quantised'. Physics

Explain the meaning of the statement ‘electric charge of a body is quantised'.

I'm SamsaD February 25, 2021

Question Id:  PH0000008 Question: Explain the meaning of the statement ‘electric charge of a body is quantised'. Answer : Charge( may be positi…

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Four point charges qA=2μC, qB=−5μC, qC=2μC, and qD=−5μC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 µC placed at the centre of the square? Physics

Four point charges qA=2μC, qB=−5μC, qC=2μC, and qD=−5μC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 µC placed at the centre of the square?

I'm SamsaD February 18, 2021

Question Id:  PH0000007 Question :   Four point charges qA = 2 µC, qB = –5 µC, qC = 2 µC, and qD = –5 µC are located at the corners of a square A…

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The electrostatic force on a small sphere of charge 0.4 µC due to another small sphere of charge –0.8 µC in air is 0.2 N. (a) What is the distance between the two spheres? (b) What is the force on the second sphere due to the first? Physics

The electrostatic force on a small sphere of charge 0.4 µC due to another small sphere of charge –0.8 µC in air is 0.2 N. (a) What is the distance between the two spheres? (b) What is the force on the second sphere due to the first?

I'm SamsaD January 24, 2021

Question Id:  PH0000006   Question :  The electrostatic force on a small sphere of charge 0.4 µC due to another small sphere of charge –0.8 µC in air…

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What is the force between two small charged spheres having charges of 2×10−7C and 3×10−7C placed 30cm apart in air ? Physics

What is the force between two small charged spheres having charges of 2×10−7C and 3×10−7C placed 30cm apart in air ?

I'm SamsaD January 22, 2021

Question Id:  PH0000005 Question :  What is the force between two small charged spheres having charges of \(2\times 10^{-7}C\) and \(3\times 10^{-7}C…

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