Electrostatics-Capacitors (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 4 - 5 of 5

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Question number: 4

» Electrostatics » Capacitors

Appeared in Year: 2014

MCQ▾

Question

Two identical parallel plate capacitors of capacitance C each are connected in series with a battery of emf, E as shown. If one of the capacitors is now filled with a dielectric of dielectric constant k, the amount of charge which will flow through the battery is (neglect internal resistance of the battery)

Circuit diagram of two capacitors and a battery

Circuit Diagram of Two Capacitors and a Battery

In figure a circuit diagram consist of two capacitors and a battery is shown.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Electrostatics » Capacitors

Appeared in Year: 2014

MCQ▾

Question

An electron enters a parallel plate capacitor with horizontal speed u and is fond to deflect by angle θ on leaving the capacitor as shown. It is found that Equation and gravity is negligible,

An electron enters a parallel plate capacitor

An Electron Enters a Parallel Plate Capacitor

In figure an electron enters a parallel plate capacitor with horizontal speed u and is found to deflect by angle (theta) on leaving the capacitor.

If the initial horizontal speed is doubled, then tan θ will be,

Choices

Choice (4) Response

a.

0.2

b.

0.8

c.

0.1

d.

1.6

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