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qUESTIONS

MCQs-PYQs-12th-jee

Two charges +5µC and +10µC are placed 20 cm apart. The net electric field at the mid-point between the two charges is

MCQs-PYQs-12th-jee

Three identical point charges, as shown are placed at the vertices of an isosceles right-angled triangle. Which of the numbered vectors coincides in direction with the electric field at the mid-point M of the hypotenuse

MCQs-PYQs-12th-jee

Two-point charges of 20µC and 80µC are 10cm apart. Where will the electric field strength be zero on the line joining the charges from 20µC charge

MCQs-PYQs-12th-jee

The distance between a proton and electron both having a charge 1.6×10⁻¹⁹ coulomb, of a hydrogen atom is 10⁻¹⁰ metre. The value of intensity of electric field produced on electron due to proton will be

MCQs-PYQs-12th-jee

A point dipole is located at the origin in some orientation. The electric field at the point (10 cm, 10 cm) on the x-y plane is measured to have a magnitude 1.0×10⁻³ V/m. What will be the magnitude of the electric field at the point (20cm, 20cm)

MCQs-PYQs-12th-jee

The electric field near a conducting surface having a uniform surface charge density o is given by

MCQs-PYQs-12th-jee

The number of electrons to be put on a spherical conductor of radius 0.1m to produce an electric field of 0.036N/C just above its surface is

MCQs-PYQs-12th-jee

The number of electrons to be put on a spherical conductor of radius 0.1m to produce an electric field of 0.036N/C just above its surface is

MCQs-PYQs-12th-jee

A proton and an electron are placed in a uniform electric field

MCQs-PYQs-12th-jee

An electron and a proton are in a uniform electric field, the ratio of their accelerations will be

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