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An electron of mass me, initially at rest, moves through a certain distance in a uniform electric field in time t1 A proton of mass mp, also, initially at rest, takes time t2 to move through an equal distance in this uniform electric field. Neglecting the effect of gravity. The ratio t2/t1 is nearly equal to

I

(mp/ me)1/2

(me/ mp)1/2

1836

Two identical metal plates are given positive charges Q1 and Q2 ( (Q1+Q2)/(2C)

(Q1+Q2)/C

(Q1-Q2)/C

(Q1-Q2)/(2C)

A uniform electric field pointing in positive x-direction exists in a region. Let A be the origin. B be the point on the x-axis at x= +1 cm and C be the point on the y-axis at y=+1 cm. Then the potentials at the points A. B and C satisfy.

VA < VB

VA > VB

VA < VC

VA > VC

Two equal point charges are fixed at x = -a and x= +a on the x-axis. Another point charge Q is placed at the origin. The change in the electrical potential energy of Q, when it is displaced by a small distance x along the x-axis, is approximately proportional to

x

X2

X3

I/x

/

A metallic sheet is inserted between the plates of a parallel plate capacitor. The capacitance of the capacitor ____.

increases

is dependent of the position of the sheet

is maximum when the metal sheet in the middle

is maximum when the metal sheet touches one of the capacitor plates

Two point charges +q and q are held fixed at (d, o) and (d, o) respectively of a x-y coordinate system. Then

The electric field E at all points on the x-axis has the same direction

Electric field at all points on y-axis

Work has to be done in bringing a test charge from ( to the origin

The dipole moment is 2 qd along the x-axis

/

Nothing can be said

/

6

8

10

12

A parallel plate capacitor has a plate separation of 0.01 mm and uses a dielectric (whose dielectric strength is 19 KV/mm) as an insulator. The maximum potential difference that can be applied to the terminals of the capacitor is ____.

190 V

290 V

95 V

350 V

I

(mp/ me)1/2

(me/ mp)1/2

1836

Two identical metal plates are given positive charges Q1 and Q2 (

(Q1+Q2)/C

(Q1-Q2)/C

(Q1-Q2)/(2C)

A uniform electric field pointing in positive x-direction exists in a region. Let A be the origin. B be the point on the x-axis at x= +1 cm and C be the point on the y-axis at y=+1 cm. Then the potentials at the points A. B and C satisfy.

VA < VB

VA > VB

VA < VC

VA > VC

Two equal point charges are fixed at x = -a and x= +a on the x-axis. Another point charge Q is placed at the origin. The change in the electrical potential energy of Q, when it is displaced by a small distance x along the x-axis, is approximately proportional to

x

X2

X3

I/x

/

A metallic sheet is inserted between the plates of a parallel plate capacitor. The capacitance of the capacitor ____.

increases

is dependent of the position of the sheet

is maximum when the metal sheet in the middle

is maximum when the metal sheet touches one of the capacitor plates

Two point charges +q and q are held fixed at (d, o) and (d, o) respectively of a x-y coordinate system. Then

The electric field E at all points on the x-axis has the same direction

Electric field at all points on y-axis

Work has to be done in bringing a test charge from ( to the origin

The dipole moment is 2 qd along the x-axis

/

Nothing can be said

/

6

8

10

12

A parallel plate capacitor has a plate separation of 0.01 mm and uses a dielectric (whose dielectric strength is 19 KV/mm) as an insulator. The maximum potential difference that can be applied to the terminals of the capacitor is ____.

190 V

290 V

95 V

350 V

The test contains question on potential , capacitors with o wihout dielecrtrics

AIEEE Physics: Electrostatics IIT JEE Physics XII CBSE I.SC AIPMT Physics: Electrostatics Electrostatics

thanks a lot ..if only possible can u prepare googd questions on charging amd discharging of capacitors and equivalent resistances usins kvl symmetry etc

4451 days 15 hours 46 minutes ago

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